Jim confesses to Bob that he has been having an affair.
Bob's surprise birthday party livens up with the arrival of Martin.
Bob suggests holding a spoof Oscars ceremony. The gang also decide they must find Murray a girlfriend but are put out when he finds one for himself.
When Murray's mother is taken ill, everyone begins to feel guilty about lack of contact with their parents.
Mel is bored with her job and decides having a baby is the answer.
Jim and Claire argue over her pregnancy.