Episodes suggesting a friendship
In "Take the Plunge: Part 2", after Needle picks Snowball to be on her team, Blocky claims that "they're in love". Needle disagrees and says that she likes Coiny more, making him, Coiny and Snowball gasp. They can be seen working together to put the teams yacht together.
In "Puzzling Mysteries", Coiny asks Needle why she doesn't like being called Needy, Needle tries to explain but is flung to the TLC.
In "Insectophobe's Nightmare 3", out of all of Team No-Name, Coiny chooses Needle, and said, "Uh Needle, if you don't join, I'll call you Needy... Three times... In a row." However, this was probably because she was the easiest one to be forced to go to, with the method above.
In "Zeeky Boogy Doog", when Coiny and Pin did a high five, Needle had a sad face.
In "Get in the Van", Needle and Coiny were together for most of the episode.
In "Questions Answered", when Pin is giving her speech, Coiny leans against Needle saying that Pin's right.
In "Enter the Exit", when Needle says that someone more dexterous should squeeze Four out, Coiny says she's right.
In "Get to the Top in 500 Steps", Coiny says that Needle will do the challenge because she's fast, much to Needle's excitement.
Episodes suggesting a conflict
In "No More Snow!", Coiny calls Needle "Needy" so that he could get out of the bottom of the Evil Canyon. He also had no problem with the team having to kill her, though it was so they could bring her back.
In "The Glistening", a recommended character shows of Needle and Coiny, and a sign that says BFDI COUPLES by DaKillahBunnyz. It is of Needle and Coiny holding hands with a heart in between them.