There's a similar thread for TV shows, so how about one for movies?

"King Kong" (The King Kong Show)
"Frankenstein" (Frankenstein Jr. & The Impossibles)
Jerry Lewis Movies (Will the Real Jerry Lewis Please Sit Down?)
"Dr. Dolittle" (The Further Adventures of Dr. Dolittle)
Charlie Chan Movies (Amazing Chan & the Chan Clan)
"Butch Cassidy & the Sundance Kid" (Butch Cassidy & the Sundance Kids)
"The Secret Life of Walter Mitty" (Secret LIves of Waldo Kitty)
Charlie Chaplin Movies (Baggy Pants & the Nitwits)
The Three Stooges Movies (New Three Stooges, The Robonic Stooges)
Laurel & Hardy Movies (Laurel & Hardy)
Abbott & Costello Movies (Abbott & Costello)
Little Rascals Movies (The Little Rascals)
"The Kid with the Broken Halo" (The Gary Coleman Show)
"Star Wars" (The Ewoks, Droids, Clone Wars)
"Ghostbusters" (The Real Ghostbusters)
"Police Academy"
"Teen Wolf"
"Back to the Future"
"Beetlejuice"
John Candy Movies (Camp Candy)
"The Karate Kid"
"The Wizard of Oz"
"Bill & Ted's Excellent Adventure" (Bill & Ted's Excellent Adventures)
"Attack of the Killer Tomatoes"
Rick Moranis Movies (Rick Moranis in Gravedale High)
Macaulay Culkin Movies (Wish Kid)
"An American Tail" (Fievel's American Tails)
"The Little Mermaid"
"Free Willy"
"Beethoven"
"Aladdin"
"The Lion King" (Timon & Pumbaa)
"The Mask"
"Ace Ventura, Pet Detective"
"Dumb and Dumber"
"Hercules"
"101 Dalmatians"
"Toy Story" (Buzz Lightyear of Star Command)
"Godzilla" (two versions)
"The Mummy"
Jackie Chan Movies (Jackie Chan Adventures)
"Lilo & Stitch"
James Bond Movies (James Bond, Jr.)

Problem Child spawned a short-lived animated show.

Muppet Babies was said to be based off of the Muppet Manhattan movie.

Also, Star Wars spawned 4 animated shows:

Star Wars: Droids
Star Wars: Ewoks
Star Wars: Clone Wars
Star Wars: The Clone Wars

Back To The Future based off the BTTF movies
Around The World In 80 Days
Tarzan based off the movies
Flash Gordon
Rambo

The Toxic Avenger --> The Toxic Crusaders

'The Great Race' inspired the cartoon series' 'Wacky Races', Penelope Pitstop is based on the character Maggie DuBois(Natalie Wood). Dastardly and Muttley are based on Professor Fate(Jack Lemmon)and Max Meen(Peter Falk)

The Pink Panther film series spawned The Pink Panther animated shorts, and cartoon series.

Flash Gordon


If you're referring to the late 70's Flash Gordon animated series that was a direct adaptation of the comic strip.

Men In Black - short-lived cartoon on the WB in the late 90's.

Spaceballs - on G4

Wasn't there one in the 60's or 70's based on The Honeymooners?

Clerks had a very short-lived animated show on ABC.

Dont forget Charlie Chan & The Amazing Chan Clan, as well as Jackie Chan Adventures.

robocop
the addams family
jumanji
men in black
highlander

Beethoven