Dinosaurs Season 1 Episode 3 Hurling Day Episode Title:Hurling Day.Episode Description:Earl is excited to throw Ethyl into the tar pits on her 72nd birthday, an old dinosaur tradition. The tradition specifies that men have the honor (and pleasure) of throwing their mother-in-law off a cliff. The day before the hurling, however, Robbie decides that it is the tradition and not his grandmother that should be hurled.