RoboRoach
Popsicle Pest / Weakened Gladiators
S1 E4:
Popsicle Pest: Rube and Reg discover a prehistoric bug frozen inside an ice cube. Rube is thrilled with the chance to participate in the evolutionary process, and proceeds to educate the little cave bug. Reg sees dollar signs and attempts to train their primitive friend for a lucrative circus act!