|Remember, Alien vs. Predator is Also a Collaboration|
|Chapter Gintama 349.5|
|Romaji||Korabo ni wa Eirixn vs Pxxxdetā ga aru no mo oboeteoke|
|Bossun, Himeko, Switch, Gintoki Sakata, Shinpachi Shimura, Kagura|
Gintoki discusses with his gang about the Sket Dan of the Sket Dance series are ripping them off. Then, Bossun and his gang arrive to Gintoki's hideout where Bossun challenges Gintoki to a showdown to determine who is the better trio and who's the fake. Himeko and the others try to calm down their leaders, but both Bossun and Gintoki claim their pride is on the line. The two teams head to treasure island to hunt for the special devil fruit that causes one to grow hammer out of their crotch. Only Bossun and Gintoki carry on the treasure hunt while the supporting characters chat with each other about their leaders.
- This Gintama crossover version is a reference to the One Piece and Toriko crossover story.