This website "BFDI - Episode Guide (Unofficial)" is a 2023 project that gives you all the episode titles in a list (season 4 exception) where you can easily view all episode titles of the series and quickly view them on YouTube with a simple click! [NOTE:  this site only contains the main  seasons  (not the mini series like:  "BFDI Mini", "BFDI Deluxe", etc.) which will be available in this playlist.]
The "Battle For Dream Island" series is created by Cary and Michael Huang, and are now with a full team in current time. Their logos, characters, and brand are respectively tied to the Jacknjellify channel.
"Speakery" is a 'brand' name for the small content creator.