Ben 10 Alien Force Episode -

The show famously replaced the original duo of Ben and Gwen with a "trio" that included their former rival, Kevin Levin , who evolved from an unstable villain into a complex ally with material-absorbing powers. Essential Episodes & Story Arcs

In the end, Ben and his team manage to defeat Lord Arcturus and destroy the Darkstar Generator, saving the planet from destruction. Skye, who had been struggling with her own guilt, decides to return to the Galvanic Mechamorphs and help them rebuild. ben 10 alien force episode