Good Copy, Bad Copy

Summary

An alien impersonates Ben with hopes of using his Omnitrix to annihilate him.

Guest stars

• Dee Bradley Baker as Humungousaur / Big Chill / Jet Ray / Swampfire / Goop / Echo Echo / Brain Storm / Spidermonkey / ChromaStone (voice)
• Vyvan Pham as Julie (voice)
• Greg Ellis as Forever Knight #1 / Forever Knight #2 / Jailer (voice)
• Robert David Hall as Forever Knight #3 / Counterman (voice)
• Jeff Bennett as Azmuth (voice)