Sezon 4
Bölümler
1 Brainwashed Pt. 1: Brain, Brain, Go Away 14 Eyl 1998 
2 Brainwashed Pt. 2: I Am Not a Hat 15 Eyl 1998 
3 Brainwashed Pt. 3: Wash Harder 16 Eyl 1998 
4 To Russia With Lab Mice 21 Eyl 1998 5 Hickory Dickory Bonk 21 Eyl 1998 
6 The Pinky And The Brain Reunion Special 21 Eyl 1998 
7 A Legendary Tail 28 Eyl 1998 8 Project B.R.A.I.N. 28 Eyl 1998 
9 Star Warners 4 Kas 1998