Ancient Evil

Summary

While on an archeological expedition studying Planet X, a group of LGMs stumble upon the resting place of an ancient powerful being called Natron.

Guest stars

• Wayne Knight as Emperor Zurg (voice)
• Adam Carolla as Commander Nebula (voice)
• Neil Flynn as XR (voice)
• Diedrich Bader as Warp Darkmatter / Natron (voice)
• Frank Welker as Grub (voice)