← Len Janson

Len Janson · Writer

Sealed
2004
Wacky and Packy Writer
Sealed
1993
P.J.'s Unfunnybunny Christmas Teleplay
Sealed
1989
P.J. Funnybunny Writer
Sealed
1986
Solarman Original Story
Sealed
1986
Condor Writer
Sealed
1983
My Smurfy Valentine Writer
Sealed
1982
The Smurfs Springtime Special Teleplay
Sealed
1982
The Smurfs Christmas Special Teleplay
Sealed
1981
The Flintstones: Wind-Up Wilma Writer
Sealed
1979
The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II Writer
Sealed
1974
The Haunted Heist Writer
Sealed
1972
Daffy Duck and Porky Pig Meet the Groovie Goolies Writer
Sealed
1967
Vicious Cycles Writer
Sealed
1967
Stop Look and Listen Writer
Sealed
1965
Boulder Wham! Story