Focuses on a group of toddlers, most prominently Tommy, Chuckie, Phil, Lil, and Angelica, and their day-to-day lives, usually involving common life experiences that become adventures in the babies' imaginations. Adults in the series are almost always unaware of what the children are up to; however, this only provides more room for the babies to explore and discover their surroundings.
Episode 1
Stu and Didi strive to make Tommy's first birthday a memorable one. They did, but under the wrong circumstances. Meanwhile Tommy wants to eat dog food so he can be just like Spike, eventually selling the other Rugrats on the idea.
Episode 2
Tommy has received his favorite toy in the whole world -- a ball. Angelica, always looking to spoil the babies' fun, takes the ball and tosses it into the neighbors' yard, resulting in the babies risking life and limb looking for it.
Episode 3
Stu and Didi ended up taking Tommy to an important dinner at "Chez Ennui" with Mr. Mucklehoney (president of Mucklehoney Industries, a toy company), since Tiffany the babysitter (via telephone) and Grandpa have different plans (the babysitter's OTHER goldfish died and Grandpa was going bowling with a friend of his named Louise). Tommy, however, has plans of his own, and proceeds to get loose in the resturant kitchen, causing absolute chaos.
Episode 4
Tommy wants to see the Reptar movie, but his parents take him and the other Rugrats to the Westside Octoplex to see The Land Without Smiles (starring the Dummi Bears) instead. The Rugrats leave the Dummi Bears to go look for Reptar (showing at the same theater), leaving a path of destruction behind them.
Episode 5
Angelica sleeps over at Tommy's, but her desire for an open window leaves Tommy feeling ill. This results in some very bizarre dreams.
Episode 6
Betty tells the story of how Phil and Lil got placed in a diaper commercial where the twins preferred exploring and destroying the set rather than sticking to the script.
Episode 7
Didi brings Tommy to her work place - the local high school, for use as a visual aid. But when Tommy gets free and roams around campus, he becomes friends with a rebellious biker.
Episode 8
Stu and Lou enter Tommy in a beauty pageant for baby girls when they learn that the Grand Prize is the Kingfisher 9000 (a top of the line sport fishing boat). But will a dress and a wig fool Tommy's toughest competiton...Angelica?
Episode 9
Stu and Grandpa take Tommy to see a Grizzlies' baseball game. Tommy, however, is more interested in his balloon hunt than the game, and his balloon hunt helps make a very important play for the Grizzlies' player Bucky Majors..
Episode 10
Being mistaken for the son of the millionaire Ronald Thump, Tommy is kidnapped by some thugs named Bob and Mike. But the kidnappers soon find out that it was more trouble than it was worth when Tommy begins flushing their stolen loot down the toilet.
Episode 11
After hearing Grandpa's mythical story about a moose, the Rugrats go look for one.
Episode 12
Grandpa is supposed to play his trumpet at a Veteran's Picnic, but Spike runs off with his dentures. Tommy and Chuckie set out to get them back in the craziest wild-duck chase in the history of dental rescue.
Episode 13
After Tommy is found drawing on walls at the Pickles' house, Stu and Didi take him to a psychiatrist name Dr. Lepetomaine. When Tommy breaks free and has an adventure around the medical office building, Stu ends up being the one psychoanalyzed.
Episode 14
After seeing a scary movie, Tommy and Chuckie decide to find out if Stu is a human or robot. Too bad his sleepwalking makes him appear to be a mechanical monster!
Episode 15
When Stu orders a "Tina Trousers" doll from Eggbert Toys to see how it compares to his own "Patty Pants" design, Tommy think the Pickles' are getting a new baby in the mail. Hitching a ride with the mailman, Tommy ends up exploring the post office.
Episode 16
The Pickles family sets up a haunted house for Halloween, and Angelica is determined to find all the Reptar Bars. But when the Rugrats go searching for them as well, will they end up scaring her off?
Episode 17
When Spike is accused by Stu of knocking things over in the Pickles' garage, the Rugrats go to investigate what really happened and clear Spike's name. Believing it to be a monster, will the babies be brave enough to discover who the real culprit is?
Episode 18
On advice from Dr. Homer, Tommy's dentist (Didi prefers calling him a "tooth fairy"), Stu and Didi want Tommy to start drinking from a cup. Tommy, however, wants to stick with the baby bottle.
Episode 19
When Grandpa Lou takes Tommy with him to the supermarket, madcap adventure follows as Tommy gets loose and goes on a quest for Reptar cereal.
Episode 20
After being inspired by their dads watching a football game, Tommy and the other Rugrats use the living room for a little grid-iron fun of their own... keeping Angelica from stealing their chocolate milk.
Episode 21
Someone broke "Mr. Fluffles" (Angelica calls it "Mr. Fluffle-Luffles"), Tommy's clown lamp, and Angelica wants to find out who. The finger-pointing, however, eventually points back to her.
Episode 22
Angelica brings her cat Fluffy over to the Pickles' house, where it makes a mess. When Angelica blames the cat's misdeeds on Spike, will Tommy be able to clear his dog's name?
Episode 23
The Rugrats hear that Reptar is supposed to be appearing in person at the Sleazola Bros. Fair, so they go looking for him there. But Reptar turns out to be more than just a mean green monster... He's a guy named Leo who loves to eat cereal.
Episode 24
Stu and Didi take Tommy and Angelica on a car trip to the Grand Canyon, but their car breaks down. While exploring the garage repair shop, the Rugrats unwittingly foil two unscrupulous mechanics who were planning to rip them off.
Episode 25
Tommy and Chuckie accidentally toss their glider plane into the scary basement. They explore Stu's workshop and inadvertently fix an invention.
