My Gym Partner's a Monkey is an American animated television series created by Timothy and Julie McNally Cahill and produced by Cartoon Network Studios. It premiered on Cartoon Network on December 26, 2005, and on The WB Television Network on January 7, 2006. The story revolves around Adam Lyon, a human who, after a clerical error listed his surname as "Lion," is forced to transfer to Charles Darwin Middle School, a school for local anthropomorphic zoo animals, where he is partnered with Jake Spidermonkey in gym, with whom he quickly becomes best friends.
Mr. Mandrill suggests that Adam and Coach Gills switch roles for day after Coach Gills loses her temper over Adam's performance in her class.
Adam and Jake take an aptitude test, but they are not happy with their results. So they try to find their true destiny
The Charles Darwin Jungle Squad wants Adam to cheer with them at the extreme cheerleading finals after one of the cheerleaders gets injured.
After Jake dumps a chum bucket on Principal Pixiefrog and thinking he and Adam did it, he gives them Saturday detention, only for Jake to do his basic cable variety show, Basic Jake.
Adam gets to go back to his old school as part of an exchange program. However, the school is not exactly the same as he remembers it.
In the refrigerated part of the school where students are taking their polar classes, Jake falls in with a bunch of "cool kids" and forgets about his other friends.
Henry's singing is very poor, but when Jake hears it, he mistakes it for talent and enters him in the talent show.
Jake wakes up with what appears to be a large, bushy moustache and it changes his life as he assumes he becomes a "man" by having it.
No one is reading the school newspaper and it is closing down. So Adam suggests that they write an interesting story. Trouble starts when Jake publishes lies about Adam. Things get edgy when Adam publishes Jake's secret.
When the school gets sued, Principal Pixiefrog takes time off from work. His replacement is Principal Wolverine, a principal (who is always shown squinting) who is making things miserable for the students, and even Ms. Warthog. Plus, he has an obsession with biting people on the butt, saying "Do I have to bite you on the buttocks?" as a threat towards students. So Adam and Jake attempt to persuade Principal Pixiefrog to come back to his old job.
When Adam tells Margaret Rhino that she is rare, she becomes so arrogant that her friends, Joanie and Latanya, get angry at her. But when Adam learns the truth about Margaret, he tries to tell them and has no choice but to take all three of them to a date.
After finding a stranded fish, Adam is granted a magic fish wish. Adam thinks this is nonsense while his friends want him to use the wish on them.
Adam, Jake and other students are given eggs that they have to take care of for a school assignment. Of course, Adam gets stuck doing all the work for Jake, and finds that this responsibility is too much for him.
Jake gets clones for himself and Adam, but are mean jerks. They are ruining their records/reputations by running around the school naked and causing chaos.
Jake takes a day off from school by spending it at school as part of his typical Jake fashion. He enjoys the facilities and persuades Adam to join him.
Lupe falls in love with Orlando Parrot, a parrot who is Jake's friend, who usually calls her "pretty bird", but finds out that he doesn't actually like her at all.
Animas is a celebration for animals and their instincts and Adam must hold himself up or he'll ruin the holiday for everyone. Also, Coach Gills is not enjoying Animas at all, with spoofs of many holiday specials such as How the Grinch Stole Christmas and It's the Great Pumpkin, Charlie Brown.
When the carnival comes to the school, Adam tries to win a princess ballerina snowglobe with opposition from the cheating Spiffies.
Adam is given the keys to the Lookout Tower after passing a safety test the first try. The Lookout Tower is a bachelor pad located atop the school. Adam's job is the look out for threats in the school, but his job is made difficult when his friends use the lookout tower to throw a party.
Instead of letter grades on his report card, Adam receives generic positive symbols. He complains about this to Principal Pixiefrog and he changes the current system to letter grades with terrifying results.
When Adam fails another Feeding Frenzy exam, Mr. Hornbill thinks that he may be held back if he doesn't pass the next exam. So Adam gets a tutor to help him, but the tutor is actually Bull.
Adam is embroiled in a prank war that he doesn't want to be in.
Teddy Truman, Windsor's ventriloquist's dummy, is enrolled into Charles Darwin Middle School. Most students think that Teddy is a living thing, except Adam.
Principal Pixiefrog institutes a school uniformity policy, which causes the students to act overly "proper" except Adam. Adam teams up with Dickie to return the school back to its old, less mannered ways.
Jake wants to join the space program, but the only problem is that astronauts wear pants and he detests wearing pants, so Adam tries to help.