In the first half, Tommy and Chuckie help save a playground from "The Junk Food Kid", a candy loving, gum chewing bully. In the second half, Didi buys an antique French mirror, which Tommy and Chuckie think is a portal to dimension called "Mirrorland".
When Stu is hit on the head by his latest creation, he suffers amnesia and starts acting like a baby./When the Pickles have a garage sale to get rid of all of their extra junk, the rugrats lend a hand by gathering up all of the adults' belongings.
While Stu is testing a new electrical toy, he accidentally blacks out the entire city. The rugrats surmise that the light is trapped in the refrigerator./While running errands with Didi, Tommy and Chuckie mistake the "ATM" for the "M&M" machine.
En route to the Pickles family reunion, Angelica explains to Tommy that all parents give their children away to other parents at family reunions.Stu and Didi leave Tommy and Chuckie with Grandpa Lou for a night.
At the Natural History Museum, Tommy and his pals see their first giant dinosaur skeleton. On the prowl for a souvenir for Spike who had to stay behind, Tommy leads the rugrats on an expedition to get a bone out of the big pile.
After watching the 1950's TV hero, Captain Blasto, the rugrats convince Chuckie that he can become a superhero when he dons a purple cape./When Spike begins to smell just a little too stinky, Didi hires a dog groomer to clean him up.
The families escape to a mountain cabin in search of "the perfect Christmas". Things get a little crazy when Tommy and Chuckie lay traps for Santa and Chuckie's dad dresses up as Santa and tries to squeeze his way down the chimney.
The Carmichaels, a new family move into the neighborhood. Tommy meets Susie, the youngest member of the family and helps her find her room; Stu buys a new toy that's needs some assembly, the babies have fun playing with the box it came in.