Theo and Cockroach come home unusually late from a track meet, and the Huxtables got a phone message earlier from the track coach. They both deny anything out of the ordinary happened, but attorney Clair knows better. A mock trial is held for Theo an... (more)d Cockroach at the Huxtables' for Clair to get to the bottom of the situation. Carl Anthony Payne II as Cockroach. Bill Cosby and Keshia Knight Pulliam appear on the episode of A Different World which airs later that evening.