Episode 5024 (Mon 30th Jun 2008)

Greg and Mel take Arthur to the baby-signing class and Greg enjoys himself, but when the instructor refers to Mel and Greg as Arthur's parents, and Mel fails to correct him, Greg is furious. Greg confronts Mel and insists that she's making the situation worse for herself. Mel tells Greg that she won't give up Arthur and he's either with her - or they have no future together.