Which also crosses into homage/parody territory, considering that it's Shortpacked's version of "Code of Hero" from Beast Wars. Incidentally, Davis used this arc to promote Dinobot to get him into the TF's Hall of Fame—and it worked.
Happened off-screen, but Robin managed to defeat Head Alien II. How? By cutting him up into sixteen pieces with a laser cannon and chucking the pieces in several different alternate dimensions. Why? Because he hurt Leslie.
When Rachel shows up to pull the Alternate Universe's Drama Tag, she effortlessly defeats the alternate versions of Galasso, Ninja Rick, and Malaya. It was so awesome that Leslie and Alternate Amber were turned on by it. And several of the fans were apparently turned into lesbians. Even the men.