It is Tommy Pickle's first birthday. Tommy wants some of Spike's dog food. He convinces his friends, Chuckie, Phil, Lil, and big cousin Angelica to try it.
Phil and Lil star in a diaper commercial, upset the crew and destroy the director's prized set./Didi brings Tommy to school where she teaches home economics.
First half: Grandpa and Stu dress Tommy in drag and enter him in a beauty pageant for little girls, to win the grand prize, a fishing boat. Second half: Tommy goes to a baseball game.
Both Tommy Pickles and Chuckie Finster go on another adventure to try get Grandpa's teeth, who was told to never take them out. Along the way, the babies run into Geese who gets hold of Gradnpa's chompers.
While watching a scary show a kid discovers his dad is really a robot./Tommy climbs in a bag and ends up at the post office where he's mistaken for a piece of mail.