This is a list of the interactions and relationships between Four and the contestants.
Four is often neutral towards the other characters, as he is the host of the show, but Four can get easily tempered, sadistic, and violent. After he's multiplied by zero and brought back in "Enter the Exit", he's noticeably calmer and a little bit nicer to everyone while only acting occasionally violent.
In "X Marks the Spot", Four gets angry when Balloony and Lollipop high five instead of high four, so he forcefully stretches out four fingers from Balloony's hand. Later, Four recalls when he recovered Balloony in "Getting Teardrop to Talk", and asks if he wants to help him get X. Balloony replies no, making Four angry.
When Bell is sad about Pin and Pillow not coming back, Four says "Check this out" and recovers them along with Balloony.
In "Fortunate Ben", when Four tells Death P.A.C.T. to assemble or they'll be dismembled, Black Hole says he has no limbs and wouldn't mind, which makes Four angry. Four later obliterates Black Hole for flying in the contest.
In "Get to the Top in 500 Steps", Four threatens to obliterate the flyers if they try to participate in the contest, Black Hole included.
In "Return of the Rocket Ship", when Black Hole asks Four to recover Pillow, Four says no because she isn't dead.
Status: Enemies on Four's side
In "A Taste of Space", when Four asks the Have Nots if they enjoyed their trip to space, Blocky tells Four to ask him if he landed on the sun. So Four repeats Blocky's question, and Blocky answers "HAVE NOT!". Four mutilates him, and then recovers him, hoping that taught Blocky a lesson. Four says that something bad will happen if they hurt X in the contest. Blocky asks if they'll just lose points. Four stands quietly before giving a small "yeah".
When Blocky complains about how ridiculous the points are in the challenge, Four gives his team 6 points, calling him buddy and for being a fly-guy. At the end of the contest, when Blocky says they did awesome, Four subtracts more points from his team.
In "Who Stole Donut's Diary?", Four attempts to make a speech for Cake at Stake, but Blocky ends up guessing exactly what it was gonna say, so Four just throws it away. Blocky asks if he has to keep his pottery shard and Four tells him that he should keep it always. At one point during the trial, a grape appears on the stand, confusing Four. Four figures out it's a prank and pulls the grape costume off of Blocky, calling him "you annoying thing".
When Book asks what is it that Four can do, Four almost screeches again.
In "Fortunate Ben", Book asks Four where X is, Four says Limb Reattachment Center.
In "What Do You Think of Roleplay?", when Book wrongly guesses Lollipop as the impostor, Four tells the team that's incorrect.
In "The Escape from Four", Four asks Bottle if she will stay with his show. Bottle claims that given the choice, she would ditch Four.
Status: Friends on Four’s side
In "Who Stole Donut's Diary?", Bubble asks why she and her team should bother trying to expose which Have Not stole the diary when they could just do nothing. This encourages Four to make the court case a challenge. Bubble volunteers to ask questions first and starts with Four. Four explains that he gave the Have Nots specific instructions to watch the diary, only to come back moments later, and it was gone. Bubble finds it suspicious how Four came back so quickly, making Four furious enough to pop her.
In "Lick Your Way to Freedom", when Clock tells Four to bring back the dead contestants, Four screeches him.
In "Enter the Exit", Four almost screeches Clock for demanding him to bring back their dead friends, but Four agrees and revives everyone that Clock lists. Four then asks him who else is eliminated and Clock proceeds to tell him everyone who was eliminated. One of Four's things to do on his to-do list is to "KILL CLOCK".
It is implied that Four killed Clock, however his team, The Losers, aren't able to identify who died, resulting in Clock not being revived, until the stinger at the end of "The Four is Lava".
In "Why Would You Do This on a Swingset", when Cloudy asks where X is, Four says Burn Center.
In "Fortunate Ben", Four disables Cloudy.
In "Get to the Top in 500 Steps", Four threatens to obliterate the flyers if they try to participate in the contest, Cloudy included.
- Main article: Donut, Four and X
When Dora speaks to Four, Four says "Yeah! Sounds totally reasonable, Dora! Can do!", proving that Four is the only one who can understand Dora when she talks.
In "The Four is Lava", Dora talks to him again and he once again agrees to do as she asks. However, when Dora monologues after being declared eliminated, he shouts at her to stop being dramatic.
In "What Do You Think of Roleplay?", Four tells Eggy and Leafy to pay attention to the contest rules. When Eggy claims that they know each other well enough, Four informs them that they are missing someone. Eggy can't figure out who it is, but Four says missing contestants are X'qzd.
Status: Enemies (presumably)
In "Let's Raid The Warehouse", Four is shocked when Firey tells him to stop dancing.
In "Who Stole Donut's Diary?", Four tells Firey that he won't tell anyone he stole the diary and punishes him by having him clean the entire railway.
In "A Taste of Space", when Flower asks how long she'll have to be X's garden, Four tells her to be quiet.
In "Who Stole Donut's Diary?", Four forces Flower out of her pot so that X can smash it.
In "What Do You Think of Roleplay?", when Four and X reveal that they've switched bodies, Fries asks what's going on and Four replies by explaining how the contest works.
In "What Do You Think of Roleplay?", Gaty asks Four why she can't just use process of elimination in the challenge. Four responds with "What's stopping me from eliminating you?" Gaty responds back by saying that no one voted for her, causing Four to angrily zap her.
In "The Four is Lava", when Gaty tells Four that all of the still alive contestants are everywhere and wouldn't hear him with his indoor voice, Four growls angrily and then raises his voice so everyone can hear him.
In "Return of the Rocket Ship", when Gelatin asks Four to cool down the soup before continuing, Four in a very frustrated matter obliges by dropping Ice Cube into the soup and then flinging it in Gelatin's face.
In "The Escape from Four", Four calls Gelatin out on his attitude during Team Ice Cube's Cake at Stake. Later, Gelatin stays on BFB instead of joining TPOT, saying he'll always appreciate the value of Four's prize idea; Four isn't too thrilled, and gives a sarcastic "hooray".
In "A Taste of Space", when Gelatin tries to suggest an idea, Four says "minus" before he can say anything.
In "Who Stole Donut's Diary?", Four gets annoyed at Gelatin and Lollipop for doing their "handshake" in a courtroom.
In "Fashion For Your Face!", Four hears Gelatin's scream resulting in his death and recovers him. After Four recovers him, Gelatin greets Four and talks about weather, which Four responds saying "whatever". Gelatin then notices the bars bending, which turn out to be made out of cardboard, with metal paint. After the bars are bent, Four thanks Gelatin for freeing him from the cage and says that he'll be forever grateful to him before flying off into the distance.
In "The Game Has Changed", Gelatin made a party for X instead of Four, which Four is not happy with. Four later compliments Gelatins party for X, calling it a sweet party with things X loves. However, Four gives Gelatin's party a 0 out of 10, as the party was meant to be for Four.
In "Return of the Rocket Ship", Four asks Ice Cube what she's doing at the Cake at Stake for Team Ice Cube when she's on the other team. Four only allows Ice Cube to stay when X asks if it wouldn't hurt if she just watched. Four later drops Ice Cube in a bowl of hot soup to cool it down.
In "Enter the Exit", Four asks Leafy what Pencil meant when she was complaining about their being boys in the EXIT. Four then tells Leafy that they don't have genders from where Four is from when Leafy brings up how Pencil makes her cliques through alliances and now genders.
In "What Do You Think of Roleplay?", Four tells Leafy and Eggy to pay attention to the contest rules.
In "A Taste of Space", when Leafy unfreezes the sun, Four takes points from her team because it's still too hot.
In "Who Stole Donut's Diary?", Four gets angry when Leafy is present since she's on the other team. During the contest, Leafy calls Four "Your Fournor", which Four doesn't really acknowledge besides mild confusion. After Firey finishes his story, Leafy asks Four if she can speak with Firey in private. Only now does Four realize that he actually really liked being referred to as "Your Fournor", as he'd only give Leafy permission if she says it again. Leafy does so on one knee, and Four lets her and Firey go, and thanks her for asking so nicely.
In "Get to the Top in 500 Steps", Four threatens to obliterate the flyers if they try to participate in the contest, Lightning included.
In "What Do You Think of Roleplay?", when Lightning asks if Four and X are okay, Four says "We're fine."
When Lollipop tries to ask Four if it would be easier to get the basket to X if he wasn't on a tall pillar, Four screeches her.
Four may not like being told who to screech because he screeches Lollipop in "Fortunate Ben" for telling him to screech Flower.
In "X Marks the Spot", Four gets angry at Lollipop and Balloony for doing a high five instead of high four.
In "A Taste of Space", when Lollipop suggests that her team spit on to earth, Four takes points from her team for being gross.
In "Let's Raid The Warehouse", when Four says they're down to BFB's final 10, Lollipop points out that there is only 9 of them. Four apologizes and then recovers Bubble.
In "Who Stole Donut's Diary?", Four gets annoyed at Gelatin and Lollipop for doing their "handshake" in a courtroom.
In "The Game Has Changed", after Lollipop presents her party to Four, he gives it a 10/10 and points out all the pros of the party.
In "Let's Raid The Warehouse", Four is annoyed when Loser keeps talking and quickly tells him that he got eliminated.
Status: Minor enemies on Four's side
In "Four Goes Too Far", when Nickel thought Four implied that he was just "an object". Four says Nickel is criticizing him and that he hates criticism. Four gets mad and almost zaps Nickel but is multiplied before he can.
In "Get to the Top in 500 Steps", Four tells Pencil to stop drawing on her desk.
Status: Minor enemies
In "Fortunate Ben", when Four tells Death P.A.C.T. to assemble or they'll tremble, Pie says she'd rather tremble, which upsets Four.
Status: Minor enemies, Four's side
Pillow attacks Four in "Getting Teardrop to Talk", in an attempt to smother Four to end the screeching. This killed her as she got a concentrated attack of the "screechy". Four didn't mind recovering her though. Pillow tells Four that the teams are all set to go which Four is happy with.
In "Fortunate Ben", Four says that Pillow is odd, which makes her angry.
In "Return of the Rocket Ship", Pillow claims that getting X (who is heading to the center of the earth) is predictable, leading Four to screech and swallow Pillow.
In "Get to the Top in 500 Steps", Four threatens to obliterate the flyers if they try to participate in the contest, Puffball included.
In "Don't Dig Straight Down", Four calls Puffball's question of why X is hurtling to the core of the Earth "silly".
RobotyIn "Getting Teardrop to Talk", it's Roboty who gives Four Beep's team name.
In "A Taste of Space", when Ruby is eliminated, she begs Four to let her stay in the game. Four replies "No".
Status: Minor enemies
In "The Escape from Four", when Spongy and Loser have escaped, Four, referring to them as demons, chases them to send them back to the EXIT.
Status: Minor enemies
When both Taco and Donut said "So what do you want, murderer?" to Four, this made Four screech, knocking out Taco and Donut. Taco later asks if Four can leave, Four says no.
In "The Four is Lava", when Taco attempts to speak to Book, Four covers her face to announce that Cake at Stake is about to begin. When Taco's happy thought ends up being when Book saved her from lava, Taco says that she wouldn't call that moment happy, and still isn't sure how to feel about. Four simply responds that she should get over it, making Taco give an annoyed gasp.
In "The Escape from Four", Taco expresses her worries about the show losing over half of their contestants, but Four disregards that fact, exclaiming that BFB has reached its final 14 contestants.
In "X Marks the Spot", when Four is shown to be upset that X isn't with them, Taco reminds him that he told X to leave and that they know exactly where he is. This gets Four excited as they might be able to get X back if they already know his location. However, when Four asks Taco if she wants to help get X back, she says no.
In "Let's Raid The Warehouse", when Four is shocked and insulted by Firey telling him to stop dancing, Taco tries to make him feel better by telling him that Firey was being sarcastic.
In "Today's Very Special Episode", when Four says to makeover him, Teardrop attempts to do so with a paintbrush and Four stops her. He is then impressed with the simple drawing of a 4 that Teardrop makes.
In "How Loe Can You Grow?", Four is excited to hear her team's progress in the challenge, after she communicates to him through sign language that they are making the aloe vera grow.
Status: Possibly friends
Tree told Four to quit his shenanigans, leading to Four screeching him.
In "Fortunate Ben", when Four was telling Death P.A.C.T. to assemble, Tree responds with "Assemble or...", making Four angry, causing him to screech Tree, making him fall down.
In "Return of the Rocket Ship", when Four says Pillow isn't dead, Tree points out that he ate her and asks if she would likely be digested, Four says no.
In "X Marks the Spot", Four gets angry when he's reminded of Two when splitting the contestants into two teams.
In "Let's Raid The Warehouse", when announcing that the Have Nots are up for elimination for the second time in a row, Four is once again reminded of Two when he holds up two fingers and angrily looks at them.
In "Who Stole Donut's Diary?", Four looks angrily at his two fingers when referring to the number of minutes they have left before the true owner of the courtroom returns and finds them there.
In "Today's Very Special Episode", Woody hands over his team's cake to Four.
In "A Taste of Space", when Woody screams after X said "minus" to him, Four said "minus" to him as well.
In "Who Stole Donut's Diary?", Woody makes noises attempting to prove his innocence, Four says he'd love to believe him but can't since anyone on his team could've stolen the diary. During Woody's story, Four helps with translating for everyone else since he can understand his incoherent babbling. Four also doesn't seem to mind that Woody refers to him as "Evil, scary Four".
- Main article: Four and X
Status: Best friends
In "Today's Very Special Episode", Four screeches hearts at Free Food because he loved their statue.
In "Enter the Exit", it's implied by Leafy, Pencil, and Liy that when they don't finish their assignments, Four screeches them for it.
In "The Four is Lava", Four is constantly frustrated at Death P.A.C.T. sticking their arms out of his mouth. He eventually pulls them out and stares at them angrily before smiling and declaring the team safe.
In "The Escape from Four", Four's made such a reputation for himself amongst the contestants that every single one still competing gathers to watch him struggle to do something for once, that being sucking up Spongy. Four ends up in a tug-of-war against the contestants trying to free the Exitors. Four is shown to be upset when he ends up losing his contestants to Two, even going as far as to change the prize to A BFB. However, Four would realize this was a slight mistake as he is distraught by the number of contestants who leave because they wanted A BFDI.
In "X Marks the Spot", Four asks all of the remaining contestants if they want to help him get Four only to hear no from each of them. He gets them to change their minds by promising A BFDI and splits them into two teams.
In "Who Stole Donut's Diary?", Four gives the Have Nots the task of watching Donut's diary while he and X prepare Cake at Stake. He's furious when it ends up missing and puts the Have Nots on trial to find who stole it, not even as a challenge at first until Bubble gave him the idea.
|Interactions with||Everyone, X, Donut|
|Locations||Eternal Algebra Class Withfour, The Fourest|
|Others||Screechy, Zappies, Mutilation, Four's Button|