Ben 10 (2005)

S2E5 Grudge Match

In a desolate location, Ben, transformed into Diamond Head, faces off against Kevin 11, who remains in his mutated state. Their clash unexpectedly transports them aboard a spaceship, where a fierce conflict among various alien species is taking place. Amidst the chaos, a mechanical droid named Slix attempts to forge a partnership with Ben and Kevin, but they quickly reject his proposal. Left with no other options, they realize they need to escape together. Will Ben and Kevin discover the value of working as a team?