Pete plans a rendezvous with Marti, but encounters a bear; Berg and Irene try to keep their romance secret.
Berg feels guilty for the way he treats Irene; Sharon and Johnny have a wild night.
Ashley becomes the most-hated woman in Boston; Pete jeopardizes his relationship with Marti.
Irene curses Pete, Berg and Sharon for barring her from their Halloween party.
Sharon hires a cute contractor to remodel the house; Marti wants to break up with Pete.
Pete falls for a beauty on a subway; a stray dog eats Sharon's wedding ring; a throng of pregnant women stalks Ashley; Berg bathes in public.
Berg and Pete try to meet new women at a disco club.
Jealous Berg invites himself on a date with Pete and Irene.
Berg and Pete's place floods because of a broken valve in Ashley's apartment.
A news crew airs footage of Pete and Berg sitting idle while Sharon rescues a choking man.
Pete secretly has a romantic fling with Berg's mother (Bo Derek).
Berg discovers that his mother (Bo Derek) is having a fling with Pete.
Pete's affair with Berg's mom threatens the guys' friendship.
Pete accidentally chops off his finger and Berg rushes him to the hospital.
Sharon has second thoughts after giving Johnny a gift certificate for his birthday; Berg becomes the workplace cad.
Berg tells Irene he loves her, but she does not reciprocate; Pete and Ashley pair up at a movie theater.
Berg tries to justify to Irene a secret date with Katie.
Berg makes another effort to win back Irene; Ashley asks Pete to be her date at a mixer with hospital VIPs.
Katie pursues Berg when he breaks up with Irene; a speeding fire truck nearly hits Pete.
Pete tries to convince Ashley to not move to California; Irene dates a postman; Johnny helps Sharon serve a subpoena.
One of the characters may be pregnant.