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Len Janson

Writer and director, also producer · Born November 18, 1937 (88) · Los Angeles, California, USA

Born
November 18, 1937 (88)
From
Los Angeles, California, USA
Works as
Writer and director, also producer
Titles
17 on MovieCove · 39 credits in all
Links
IMDb (opens in a new tab)TMDB (opens in a new tab)Wikidata (opens in a new tab)

Known for

TMDB popularity, last 38 days to Oct 27Down 8% in 30 days

What are Len Janson's films like?

Across their 13 MovieCove titles with a thematic analysis, their films lean Bonds and Society.

Themes

share of theme weight
Bonds
44%
Society
24%
Morality
12%
Self
7%
Survival
7%
Power
5%
Family bonds6 titles, browse their movies with this themeCommunity5 titles, browse their movies with this themeFriendship4 titles, browse their movies with this themeJustice4 titles, browse their movies with this themeLoyalty3 titles, browse their movies with this themeSurvival2 titles, browse their movies with this themeFreedom2 titles, browse their movies with this theme

Moods and endings

endings are an aggregate; no title is named

Dominant moods · mentions across their titles

Joyful
10
Thrilling
5
Warm
4
Hopeful
4
Absurd
5
Other
5

How their films linger

Fun9 titles, browse their movies with this aftertasteFeel-good10 titles, browse their movies with this aftertasteHopeful4 titles, browse their movies with this aftertasteRousing2 titles, browse their movies with this aftertaste

How their films end · 1 with a twist

  • Happy10
  • Ambiguous1
  • Cyclical2

AI-generated from each title's plot synopsis and cast list, with extra plot summaries, reviews and Parents Guide notes for titles the model may not know, and the model's own knowledge of the ones it recognizes. Only analyzed titles count, so this covers part of the filmography; the feel axes count films only for now.

Where can I watch Len Janson's films?

As of October 24, 2026, 8 of their 17 MovieCove titles stream on a subscription or free service.

Also on these channels

Subscription and free streaming for Len Janson's titles on MovieCove; rent and buy are not counted. Titles are listed by Midcredits score, highest first, at most 12 per service; a dashed chip is a producer credit or a minor one, such as a thanks. A service opens the browse page, which counts movies only, so its number can differ.

Filmography

39 credits, 17 with a MovieCove page.

  • Wacky and Packy (not in the MovieCove catalog yet)(2004)

    Writer

  • Sonic Underground(1999)

    Show 6 episodes · Writer

    Midcredits score: 23rd percentile of all shows

  • Dumb and Dumber(1995)

    Show 1 episode · Writer

    Midcredits score: 5th percentile of all shows

  • P.J.'s Unfunnybunny Christmas (not in the MovieCove catalog yet)(1993)

    Teleplay

  • Sonic the Hedgehog(1993)

    Show 5 episodes · Producer · Writer

    Midcredits score: 40th percentile of all shows

  • Land of the Lost(1991)

    Show Director · Producer · Writer

    Midcredits score: 41st percentile of all shows

  • Tiny Toon Adventures(1990)

    Show 2 episodes · Writer

    Midcredits score: 73rd percentile of all shows

  • P.J. Funnybunny (not in the MovieCove catalog yet)(1989)

    Writer

  • Little Wizards (not in the MovieCove catalog yet)(1987)

    Show Creator

  • Solarman (not in the MovieCove catalog yet)(1986)

    Original Story

  • The Real Ghostbusters(1986)

    Show 4 episodes · Writer

    Midcredits score: 76th percentile of all shows

  • Condor(1985)

    Producer · Writer

    Midcredits score: 15th percentile of all films

  • Going Bananas (not in the MovieCove catalog yet)(1984)

    Show 12 episodes · Creator · Screenplay

  • Benji, Zax & the Alien Prince (not in the MovieCove catalog yet)(1983)

    Show 13 episodes · Editor · Writer

  • The Biskitts (not in the MovieCove catalog yet)(1983)

    Show 1 episode · Writer

  • My Smurfy Valentine (not in the MovieCove catalog yet)(1983)

    Writer

  • The Smurfs Christmas Special(1982)

    Teleplay

    Midcredits score: 52nd percentile of all films

  • The Smurfs Springtime Special (not in the MovieCove catalog yet)(1982)

    Teleplay

  • The Flintstones: Wind-Up Wilma (not in the MovieCove catalog yet)(1981)

    Writer

  • The Smurfs(1981)

    Show 3 episodes · Writer

    Midcredits score: 53rd percentile of all shows

  • The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II (not in the MovieCove catalog yet)(1979)

    Writer

  • The New Fred and Barney Show(1979)

    Show 1 episode · Story

    Midcredits score: 44th percentile of all shows

  • The Love Boat(1977)

    Show 1 episode · Writer

    Midcredits score: 20th percentile of all shows

  • The New Adventures of Batman(1977)

    Show Writer

    Midcredits score: 37th percentile of all shows

  • Tarzan, Lord of the Jungle(1976)

    Show Producer · Writer

    Midcredits score: 71st percentile of all shows

  • Isis (not in the MovieCove catalog yet)(1975)

    Show 2 episodes · Writer

  • The Haunted Heist (not in the MovieCove catalog yet)(1974)

    Writer

  • Hong Kong Phooey(1974)

    Show Writer

    Midcredits score: 38th percentile of all shows

  • The New Adventures of Gilligan(1974)

    Show Writer

    Midcredits score: 21st percentile of all shows

  • Star Trek: The Animated Series(1973)

    Show Writer

    Midcredits score: 55th percentile of all shows

  • Daffy Duck and Porky Pig Meet the Groovie Goolies (not in the MovieCove catalog yet)(1972)

    Writer

  • Sergeant Swell of the Mounties (not in the MovieCove catalog yet)(1972)

    Director

  • Captain Mom (not in the MovieCove catalog yet)(1971)

    Director · Actor

  • Sabrina the Teenage Witch(1971)

    Show Writer

    Midcredits score: 41st percentile of all shows

  • Groovie Goolies (not in the MovieCove catalog yet)(1970)

    Show 16 episodes · Writer

  • Blaze Glory (not in the MovieCove catalog yet)(1969)

    Director · as The Pug-Nosed Kid

  • Vicious Cycles (not in the MovieCove catalog yet)(1967)

    Director · Producer · Writer · as Leader of the Vicious Cycles

  • Stop Look and Listen (not in the MovieCove catalog yet)(1967)

    Director · Writer · as Sunglasses

  • Boulder Wham! (not in the MovieCove catalog yet)(1965)

    Story

Career shape

A full career of 32 titles from 1965 to 2004.

Highest rated

Star Trek: The Animated Series (1973)

Midcredits 55th

Most popular right now

Sonic the Hedgehog (1993)

By role

only this rolewith another role
Acting4 of 32: 0 only acting, 4 with another roleDirecting5 of 32: 1 only directing, 4 with another roleWriting28 of 32: 24 only writing, 4 with another role · typical Midcredits score42ndProducing1 of 32: 0 only producing, 1 with another roleEditing1 of 32: 0 only editing, 1 with another roleOther crew2 of 32: 1 only other crew, 1 with another role

32 titles, 6 with more than one role — writing and directing overlap on 2 of them.

By decade

1960s4 · 3 acting · 4 crew1970s9 · 1 acting · 9 crew1980s13 · crew1990s5 · crew2000s1 · crew

Counts from TMDB across their full career, self appearances out; a title counts in every role they held on it. The ring is the typical Midcredits score (the median percentile) of the role's titles that are on MovieCove, shown from 5 scored.

Who does Len Janson work with?

People who share at least 2 of Len Janson's MovieCove titles, grouped by what they did on them; Chuck Menville shares the most, 10.

Directors

Writers

Actors

Composers and editors

Producers