APPEARANCES AND SIGHTINGS
FEATURED EPISODES
An Elephant Makes Love to a Pig (s01e05; debut)
Starvin' Marvin (s01e08)
Cartman's Mom Is a Dirty Slut (s01e13)
Cartman's Mom is Still a Dirty Slut (s02e02)
Prehistoric Ice Man (s02e18; first identified as Alphonse Mephesto)
Spontaneous Combustion (s03e02)
Jakovasaurs (s03e05)
Are You There God? It's Me, Jesus (s03e16)
Cartman Joins NAMBLA (s04e06)
201 (s14e06; re-design)
NOTABLE CAMEOS
Hooked on Monkey Fonics (s03e12)
I'm a Little Bit Country (s07e04)
It's Christmas in Canada (s07e15)
Eat, Pray, Queef (s13e04)
The City Part of Town (s19e03)
Bike Parade (s22e10)
VIDEO GAMES
SOUTH PARK: TENORMAN'S REVENGE
Dr. Mephesto does not appear in the game, but he is mentioned by Scott Tenorman, who releases many of the doctor's creations as mini-bosses. According to early press information, it is also Dr. Alphonse Mephesto who is helping the boys repair the time stream in their battle against Scott Tenorman.