Kelly babysit a terror who disappears during hide-and-seek, while both sets of parents bowl a grudge match.

Fed up with winter, Pat flies off to Florida to stay with friend Charlie, while Mary insists on staying home.

The Callahans gather for a loud family dinner.

When Lenny tries fixing the furnace himself, the family ends up bunking at his parents' house for heat.

Lenny's romantic interlude with Shelly is soured by his worry over a boxing match on which Eddie bet their vacation money.

An explosion on a gas line leaves Lenny trapped 10 feet below the street with an engineer and one sandwich.

After Pat and Mary are burglarized, they buy a gun and expect Lenny to follow suit.

Lenny's doctor conducts a series of gastrointestinal tests when a potentially life-threatening problem crops up.

Lenny's sister announces she is marrying a black lawyer.

Stuck in a New York blizzard after the funeral of Uncle Shamus, the Callahan men may miss Tracy's dance recital.

Lenny attends a mortified Kelly's school Career Day.

On Lenny's day off, Kelly needs to discuss sex, Tracy announces her atheism, and Eddie breaks the television.

Lenny finds himself lending money to too many people.

At a formal party, Lenny's hotel boss makes a pass at Shelly.

When Shelly and Mary wind up in the hospital, Lenny, Eddie, and Pat are left to take care of the house and the girls.

Lenny has to come up with money for his dad's operation.