Peter's Laboratory is a YTV Spoof to the 1996-2003 Cartoon Network animated series: Dexter's Laboratory.
- Peter Shepard as Dexter (Ashley Johnson)
- Star Butterfly as Dee Dee (Eder Sher)
- Roy Koopa as Mandark (Jason Marsden)
- Diana Lombard as Dexter's Mom (Kelly Sheridan)
- Josh Kirkpatrick as Dexter's Dad (Kirby Morrow)
- Zoey Franklin as Mee Mee (Andrea Baker)
- Michiko "Mitchie" Ohara as Lee Lee (Stephanie Morgenstern)
- Peter Shepard's Dexter outfit is composed of: a white long sleeved lab coat, purple gloves and black boots.
- Star Butterfly's Dee Dee outfit is composed of: a pink sleeveless tutu, white tights and pink ballet flats.
- Roy Koopa's Mandark outfit is composed of: a white long sleeved shirt with a black tie, blue shorts and brown shoes.
- Diana Lombard's Dexter's Mom outfit is composed of: a green short sleeved shirt, green pants and green high heels.
- Josh Kirkpatrick's Dexter's Dad outfit is composed of: a white short sleeved shirt with a brown and black striped tie, brown pants and brown shoes.
- Zoey Franklin's Mee Mee outfit is composed of: a pink sleeveless tutu, white tights and pink ballet flats.
- Michiko "Mitchie" Ohara's Lee Lee outfit is composed of: a pink sleeveless tutu, white tights and pink ballet flats.
End Theme Lyrics
- Man: Enter at your peril, Past the vaulted door Impossible things will happen That the World's never seen before. In Peter's Laboratory Lives the smartest boy you've ever seen But Star blows his experiments To Smithereens! There's Gloom and Doom When Things go Boom In Peter's Lab.