10: Mario VS Sonic: Sudden Death (Super Mario Bros VS Sonic the Hedgehog 3) June 25, 2015.
The series consists a team of multiple animators and researchers. This rematch will only happen if a certain number of people ask for it in the video's comments. Also at the end of each video, a rematch is offered that will have different factors in the fight (Different versions of characters, preparation time, etc). Each round consists of an introduction, an analysis for each fighter, the fight, and then an explanation for the outcome. It currently has over 340 rounds overall including 52 bonus rounds and is fairly infamous on Youtube. Similar to ScrewAttack's Death Battle, it involves two or more characters fighting to the bloody end. Cartoon Fight Club is a versus series that can be found on the AnimationRewind channel and was the main channel before being succeeded by Rewind Rumble and is his crowning achievement.