At The Wonderland Zoo, three crazy bears that are always looking for the better life. Every night they outsmart the Zoo keeper and his assistant in search of fun and antics.
The Hair Bear Bunch trick Mr. Peevly into thinking he has Zoolerium. When Mr. Peevley goes on vacation, a strict zoo keeper named Mr. Grunch is called in to cover for him. Now the Hair Bear Bunch plans to find Mr. Peevly and get him back.
The Hair Bear Bunch gets a new roommate named Rare Bear. Yet Hair Bear suspects that he has been planted in the group's cave by Mr. Peevly to act as his spy.
Hair Bear suggests to Mr. Peevly to hold a raffle in order to obtain money for new stuff for the zoo. When Hair Bear wins, he ends up having ownership of the zoo and sees how hard it is to run the zoo and fill out the needs of the other animals. When Hair Bear learns that Mr. Peevly has been playing him, Hair Bear ends up sneaking the other animals out of the zoo.
In order to keep Mr. Peevly busy, Hair Bear plans to set him up with a female to be his girlfriend. Yet Mr. Peevly ends up getting a tough lady named Bertha who plans to bring order to the Wonderland Zoo.
The Hair Bear Bunch apply for an ad for adventure and fame when it comes a space expedition to Mars sponsored by Professor Nielsen Rockabuilt. Mr. Peevly and Botch end up stowing away and end up landing on an alien planet of Turulia where the Turulians there elect Mr. Peevly as their new leader. While in the alien's dungeons, the Hair Bear Bunch learn that the aliens elect a new leader every day while the old one gets imprisoned in a glass cage.
Mr. Peevly ends up bunking Arnie the Gorilla into the Hair Bear Bunch's cave. Hair Bear discovers that Arnie is in love with Gloria the Gorilla and plans to hook both of them up which involves making their own cologne that causes him to lose control of his love advances.
The Hair Bear Bunch plan to make their way to the National Forest. Once they do, the Hair Bear Bunch take refuge in a cabin which turns out to be a hideout for two bank robbers even when Mr. Peevly and Botch catch up to them.
Following a drawing from the Suggestion Box, Mr. Peevly puts on a play on Noah's Ark with the zoo animals. Later that night, Hair Bear secretly places wheels on the Ark and pilots the Ark all the way to Pleasure Island when they planned to go to a deserted island. To gain money, they disguise Zeed the Zebra a horse and enter a horse race.
When Mr. Peevly wants the animals to build him a swimming pool, the Hair Bear Bunch finds a treasure map in one of the trees which leads to the treasure of Redbeard which had been stolen from Ptomania. They follow the map to the end point to Mr. Peevly's office and try different ways to get to the treasure below.
While hiding from Mr. Peevly and Botch in the woods when trying to get to the carnival, the Hair Bear Bunch find a baby panda named Percy whose cage fell off a passing train bound for the St. Louis Zoo. Mr. Peevly has the Hair Bear Bunch watch over Percy Panda until the Zoo Superintendent comes to pick Percy up and bring him to the St. Louis Zoo.
Mr. Peevly sets up a closed TV and cameras around the zoo to keep an eye on the zoo so that he would catch the Hair Bear Bunch in another one of their escapes. Hair Bear discovers the cameras and uses this as an advantage to make a television show.
Hair Bear has Square Bear fake an injury to have the Hair Bear Bunch evade being sent to the National Forest. Mr. Peevly ends up allowing Square Bear to recuperate at his house to evade getting into trouble with the Zoo Superintendent. Mr. Peevly vows to find a way to expose the fact that Square Bear is faking.
In order to catch the Hair Bear Bunch in one of their escape plans, Mr. Peevly and Botch disguise themselves as bears. Of course the Hair Bear Bunch play along with this upon seeing through their disguise. Things get worse for Mr. Peevly and Botch when they are mistaken for escaped circus bears.
The Hair Bear Bunch end up getting involved in the production of "Whatever Happened to Goldilocks and The Three Bears" where Twinkles Sunshine (the actress playing Goldilocks) rewrites the script where the Three Bears have to save Goldilocks from an evil prince.
The Hair Bear Bunch and the other animals attempt to tunnel into town to get food leads the Hair Bear Bunch into a haunted house in an amusement park. The Hair Bear Bunch then end up tricking Mr. Peevly and Botch into going down the same path.
In order to win $500.000 from the Sports Arena, Hair Bear has Bananas the Gorilla go through wrestling training in order to stay in the ring with the Masked Marvel. Yet when the Masked Marvel gets the measles, Botch ends up having to cover for him in the wrestling ring.