Didi needs to go to the bank to run her errands. In the meantime Tommy and Chuckie raid the bank looking for M's. Instead, they cause havoc and help the police catch two notorious criminals.

The Pickles throw a garage sale and Angelica tricks the babies by letting them help out and give out some stuff too. In the end when Didi and Stu come back inside, the entire house is empty and the money they earnt has to be used to replace everything.

When Stu creates a blackout, every light all over town goes out. Chuckie says that now it's dark, every scary monster will come out, but Tommy says that he knows where there's extra light: the refrigerator. The Rugrats have an adventure and by the time they get to the refrigerator, the power comes back on.

Phil and Lil tell Tommy and Chuckie that there's a world behind the mirror, so Tommy and Chuckie explore it. The world is the complete opposite of their world, but when it gets too scary they decide to come back.

After 40 years, Grandpa's long-lost love Morgana pays a visit. Morgana broke up with Grandpa over his affair with another woman named Trixie McGee, but never knew the real story. Also, Grandpa doesn't want her to know that he's a grandfather, so he rushes Tommy and Chuckie to bed. In any case, everyone has to contend with Stu's new remote-controlled couch, which is more like a mechanical bull for two.

Aunt Miriam and Lou were not nice to each other. They always did and acted like Angelica and Tommy are today. Tommy and Chuckie go in the bathroom and find a hair dryer, a radio and a wig. They think Aunt Mirian is an alien and investigate.

Stu and Chaz take Tommy and Chuckie to the Toy Palace and Tommy and Chuckie think it would be neat to live in the store and so they sneek away. Stu and Chaz, completely oblivious to what's going on, leave (with a doll and a monkey doll) Tommy and Chuckie in the store. Tommy and Chuckie explore the store with a lazy security guard watching wrestling. Tommy and Chuckie soon find out living in the toy store isn't so good when they get chased by a giant ape toy called "Thorg."

Phil and Lil want separate lives. Phil goes to Tommy's with Lil's bow on. Lil stays home looking like Phil. They end up wanting to be together.

While Grandpa goes on to Chicago because he missed his train stop (likely on purpose), the Pickles stop in (fictional) Willoughby, Iowa to attend their family reunion, hosted by Hugh Pickles and his wife Dotti. Angelica tells Tommy and the other kids that reunions are swap meets for kids, with the kids being swapped. Her lie ended up backfiring on her, however, when a couple of other farming relatives, Mackie and Edie, have a kid like Angelica.

Bored at home, the grown-ups decide to take the Rugrats to see "Reptar On Ice" - but when they find Reptar's baby, the Rugrats decide to be part of the act.

After Angelica gets Tommy and Chuckie in trouble, they decide to be grown up. Chuckie has a dream about it, but Angelica the boss ruins that too, so Tommy and Chuckie decide that it might be better to be babies.

The Rugrats act out the pirate story Grandpa told them before he fell asleep (as usual).

Chaz wants Chuckie to be potty trained but can't get him to go. The babies try not to let Didi and Stu make him use it. Chuckie has a dream about never learning and he uses the potty overnight.

A mean girl steals toys from babies at the park, so Tommy stands up to her.

Stu and Drew decide to play golf on a course that's impossible to win. Angelica says that if they win they get ice cream, so in the end the Rugrats help them win and they get ice cream after all.

Chuckie accidentally swallows a watermelon seed. The babies all pretend to go inside of him, and find the seed. Angelica wants to grow the seed so Chuckie will explode and die. Tommy stops her and they get the seed, but at the end, Spike eats the seed.

Tommy has to go to an overprotective day-care with junior delinquent babies trying to break out. At first it seems like a challenge but then Tommy comes up with an idea to escape.

The Rugrats go to the beach and Chuckie brings the sea monkeys from his house. Chuckie and Tommy can't lift the cooler, so they wait for the cooler to be empty and then bring it back and throw it in.

Didi thinks that Spike needs a bath, so calls the best dog groomer. Tommy and Chuckie think the dog groomer is trying to hurt Spike, so they try to keep him from getting washed.

While Didi and Stu go out, the famous Dr. Lipschitz babysits Tommy and Chuckie. The babies wonder about him and accidentally reveal him for the phoney that he is.

Tommy tells the babies that he's going to get his booster shot, but when Chuckie warns Tommy what it is he becomes scared and tries to avoid getting it.

Angelica falls in love with a biker kid but doesn't know how to tell him, so she gives him hints throughout the whole episode. When they finally have a chance to be together, his mother comes and picks him up. After that, Angelica decides not to fall in love again - but when a cute foreign kid becomes her new neighbor, she falls in love all over again.

Tommy and the babies want to bring Spike to the museum with them, but can't. So the babies go off when Grandpa talks to the ladies to look for a present for Spike, and they get in trouble with security chief Sally Payson.

After Tommy, Phil and Lil's parents get in a big fight, Chuckie's dad tries to make them the best of friends again. If he fails, Tommy and Chuckie will never see Phil and Lil again!

Stu tries to set up one of his wacky inventions on the roof and falls off, landing on his head, and starts to think he's a baby. The Rugrats take advantage of this and have fun with him but Tommy starts to miss his dad.