Superboy (1988)

S1E13 Revenge of the Alien (1)

After a thief pilfers the canister holding him captive, the alien from "The Alien Solution" breaks free. Fueled by a desire for vengeance, he sets his sights on Superboy, who had previously annihilated his trove of warrior remains. The alien is determined to settle the score and reclaim his lost honor.