The fourth season of the family sitcom Full House originally aired on ABC from September 21, 1990 to May 3, 1991.

Joey's career takes a turn for the better when he is offered a job in Las Vegas to open for Wayne Newton.

In the season finale, Becky finds out that she is pregnant as Jesse tells her, he wants to go on tour with his band.

Joey performs in Las Vegas, but – surprisingly – comes face-to-face with his strict, estranged father, Colonel Gladstone.

Michelle turns four in the beginning of the episode, finishing her birthday cake in bed after the guys tuck her in.

's friend) cousin, Steve Urkel is in San Francisco for the big science fair, Julie and D.J.

So in an attempt to have "one last adventure" as a single man, Jesse has Joey take him parachuting, which ends up with him getting stuck in a tree.

Continuing from the previous episode, Jesse remains caught in a tree after jumping out of Joey's airplane.