Films written by Len Janson

Daffy Duck and Porky Pig Meet the Groovie Goolies
1972No ratings yet
- Adventure
- Comedy
- +1
P.J. Funnybunny
1989No ratings yet
- Animation
Solarman
1986No ratings yet
- Action
- Science Fiction
- +1
P.J.'s Unfunnybunny Christmas
1993No ratings yet
- Animation
- Family
The Smurfs Springtime Special
1982No ratings yet
- Comedy
- Animation
- +2
Vicious Cycles
1967No ratings yet
- Comedy
- Animation
My Smurfy Valentine
1983No ratings yet
- Animation
Condor
1986No ratings yet
- Science Fiction
- Thriller
- +1
Stop Look and Listen
1967No ratings yet
- Comedy
The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II
1979No ratings yet
- Animation
- Family
The Smurfs Christmas Special
1982No ratings yet
- Comedy
- Animation
- +1
Boulder Wham!
1965No ratings yet
- Comedy
- Animation
The Flintstones: Wind-Up Wilma
1981No ratings yet
- Comedy
- Animation