An archaeologist documents dinosaurs' way of life as they may have existed long ago, but clips from previous episodes tell a different story.

Earl throws his hat into the ring as a candidate for Chief Elder, but he's likely to have his head handed to him by his opponent, B.P. Richfield.

When overwhelming urges to do the mating dance arise in Robbie, Earl prefers not to discuss it, but Fran waltzes into Robbie's classroom to educate the kids about it.