Len Janson

1965
Boulder Wham!
       (Warner Brothers - Merrie Melodies - Story )
1981
Wind-Up Wilma
       (Hanna-Barbera - The Flintstones - Story )
The Smurfette
       (Hanna-Barbera - Smurfs - Story )
The Smurf's Apprentice
       (Hanna-Barbera - Smurfs - Story )
1982
Who's Minding the Brat?
       (Hanna-Barbera - Mork and Mindy - Story )
1983
My Smurfy Valentine
       (Hanna-Barbera - Smurfs - Story )
As the Worm Turns
       (Hanna-Barbera - Biskitts, The - Story )