Thanks for 4 years of Thanks for 4 years! is the fourth of all official BFDI shorts which celebrates the 8th anniversary of BFDI, as well as the 4th anniversary of Thanks for 4 years! and thanks to the fans for watching the show. Though it was intended to be released on the 2nd, the video was uploaded to YouTube on January 3, 2018. In it, Match thanks the viewers for supporting Battle for Dream Island for eight years.
- Everyone is styled in a BFDI/BFDIA/IDFB style except 8-Ball, Four, and Match are styled in a BFB style before she says anything in this short.
- Although Match uses the assets that are used now, sometimes her eyes change into the eye assets used in pre-Insectophobe's Nightmare, symbolizing how far they have went, animation-wise.
- This is one of Yellow Cary's only appearances in a BFDI video.
- This is the first Jacknjellify video to be uploaded to YouTube in the year 2018.
- The only BFB newbie to appear in this video is 8-Ball. He is impaled on the 8th candle, which pops out of the cake when the text changes.
- Match said "Four" or a word that is similar to "Four" 21 times.
- This is the first video animated by Cary since Welcome Back.
- The video description explicitly says that the video is non-canon, meaning that the events which took place in the short did not actually happen in the BFDI timeline.
- This is the first BFDI short uploaded in 2018.
- The old character assets and bodies were used in this short.
- Four has sharp teeth, which he does not have in BFB.
- This is the first BFDI short to have Four in it.
- Every episode thumbnail in the video was from an episode where Match was either up for elimination or eliminated already.
- This episode may be called "Thanks for 4 years of Thanks for 4 years" instead of "Thanks for 8 years" due to a reference to Four.
- There was a subtitle saying that "BFB 13 will come out in 2019 (true)", but the subtitles are removed.