Season 4

E1. Brainwashed Pt. 1: Brain, Brain, Go Away

Sep 14, 1998 · 21m

Pinky and Brain are kidnapped in Washington, DC by an unknown force. Brain loses his memory and the mice are then imprisoned in a town where everyone is forced to perform the Schëerskåhøvên, which is dumbing down the entire country.

E2. Brainwashed Pt. 2: I Am Not a Hat

Sep 15, 1998 · 21m

Brain regains his memory and the mice escape. They believe Snowball is responsible for the Schmëerskåhøvên, but him imprisoned in a mental institution.

E3. Brainwashed Pt. 3: Wash Harder

Sep 16, 1998 · 21m

The mice and Snowball search for the one who spliced their DNA, Dr. Mordough, thinking he's responsible for all this. But it turns out to be his cat, Precious, and time is running out.

E4. To Russia With Lab Mice

Sep 21, 1998 · 9m

Pinky and Brain's plan to alter caviar with a mutating capsule is complicated by a Russian lab mouse.

E5. Hickory Dickory Bonk

Sep 21, 1998 · 11m

Brain plots to make every clock on Earth chime repeatedly.

E6. The Pinky And The Brain Reunion Special

Sep 21, 1998 · 21m

A special of highlights of their career is on the air, but it's really all a ruse so Pinky and Brain can hypnotize the viewers.

E7. A Legendary Tail

Sep 28, 1998 · 12m

Inspired by legends of the past, Brain tries to create a legend about himself to gain world acclaim.

E8. Project B.R.A.I.N.

Sep 28, 1998 · 8m

How Acme Labs became home to Pinky and Brain.

E9. Star Warners

Nov 4, 1998 · 22m

In the series finale of Pinky and the Brain, the Brain, and the characters from Animaniacs develop a Star Wars spoof.