Episode 1
Brain enlists the aid of beavers to gain control over the flow of rivers.
Episode 2
The mice make a series of comedy films and hit the big time.
Episode 3
Pinky and Brain have a new companion, Larry, but their newest plan just doesn't seem to pan out.
Episode 4
In their latest plan, Pinky and Brain try to take over the steel mills in Pittsburgh, Pennsylvania by pretending to be a part of an endangered species called the Mousealopes.
Episode 5
It's 1946 and Brain's new plan gets interrupted when he and Pinky encounter Billie and Snowball.
Episode 6
Brain gets caught up in winning a golf tournament, even though it interferes with his new plan.
Episode 7
After the Earth gets the power of speech from his Silitronlinguifactor device, Brain comes up with a new plan.
Episode 8
Brain tries to get a package meant for him back from his neighbor.
Episode 9
Pinky becomes a guru during the 1960s.
Episode 10
It's Brain's birthday and Pinky plans a surprise party.
Episode 11
After getting a glimpse of his future, Brain abandons his attempts to take over the world and gets a job as a ski instructor.
Episode 12
The mice are looking to control tornados, but a pest keeps getting in their way.
Episode 13
Brain sings about past and present world leaders' failures.
Episode 14
The mice need to get into a mine, but have to pretend to join a Amish-type society.
Episode 15
Brain's latest plan is a conspiracy theory about why he is not ruling the world.
Episode 16
Brain becomes a tap dancer with steam-powered legs in order to spread a subliminal morse code at the World's Fair.
Episode 17
Brain is out of ideas for taking over the world, so he tries to get some from writers.
Episode 18
Farmer Brain tries to grow an army of monster vegetables.
Episode 19
Brain creates a cloning machine and plans to clone himself in order to create the best Celtic dance troupe the world has ever seen.
Episode 20
Brain masquerades as a fashion designer.
Episode 21
Brain plans to use the Personalitron to give him irresistible charisma, but it winds up going to Pinky.
Episode 22
The mice learn of a secret organization, T.H.E.Y. (comprised of world leaders), and try to get in.
Episode 23
A house needed for Brain's latest plot becomes the set of a reality series about the people living there. So the mice become participants to get in.
Episode 24
To save his Las Vegas casino, Brain works as a lounge singer.
Episode 25
Mr. Itch offers Brain control of the world in exchange for his soul, but Brain refuses. In a shocking twist, Pinky sells his soul to make it happen and Brain soon decides to get his friend back.
Episode 26
Brain assumes the identity of Briany Jack, a hippie leader, and tries to create a peace chain to send a subliminal message.
Episode 27
Brain's attempt to control Emperor Franz Josef get side tracked when he talks about his problems with psychiatrist Dr. Sigmund Freud.
Episode 28
Brain enters the world of a sumo wrestling to acquire a paralyzing fish.
Episode 29
Brain takes control of a satellite to air his infomercial around the world, but the satellite belongs to the military and they want to capture whoever hacked into their systems.
Episode 30
Brain takes control over aquatic mammals for his latest plan and Pinky falls for a female sea lion.
Episode 31
Brain tries to change the Earth's weather patterns.
Episode 32
A well-meaning tailor makes Pinky and Brain's lives miserable.
Episode 33
At a sleep away camp for world leaders' children, Brain tries to trick the children into placing listening devices in their parents' offices.
Episode 34
To release Brain's leather repellant, the mice become baseball players.
Episode 35
Brain's latest plan for world domination is the Schpiel-Borg 2000, which hosts a retrospective of past episodes.
Episode 36
Pinky and Brain stage their own seperate musicals, which have varying degrees of success.
Episode 37
Spoofing Winnie the Pooh, Brainie and Pinklet try to steal honey from a bee hive.
Episode 38
Brain tries to create chaos in Hamlet's family and take over.
Episode 39
Brain tries to become a national hero by taking down a tobacco company.
Episode 40
Taking the night off from trying to take over the world, Pinky and Brain try other things.
Episode 41
Brain tries to get surfers to put on his suntan lotion, Brain de Soleil, which creates a hypnotic effect.
Episode 42
Brain enters Pinky's family in a contest to win $25,000.
Episode 43
Pinky has his own plan for world domination and Brain goes along with it.
Episode 44
Brain explains why he should be leader in a mock educational film.
Episode 45
As network executives keep repeatedly changing their show, Pinky and Brain decide to quit.
Episode 46
As he prepares his plan for world domination, Brain goes to work teaching rebellious students.
Episode 47
Pinky and Brain masquerade as a mother and child star respectively to get money needed for the next plan.
Episode 48
Pinky sings a song about saying "narf".
Episode 49
It's another usual night where Brain plans to take over the world, only it's seen from Pinky's point of view.
Episode 50
The mice sing about world domination.
Episode 51
Brain opens a restaurant and feeds the customers a drug to make them smarter.