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! "Weakened Gladiators": When Reg insults Uberbuck’s glutonous girlfriend, Sterling challenges him to a gladiatorial fight to the finish! With a little robo-help, Reg actually wins the match, but pays a price he didn’t expect when “to the victor go the spoils”!