Self (archive footage)
It's Your 50th Christmas Charlie Brown (2015)
Snoopy / Woodstock (voice) (archive sound)
Filmen om Radiserne: Med Nuser og Søren Brun (2015)
Himself
The One and Only June Foray (2013)
Himself (Archive Footage)
Behind the Tunes: Leon Schlesinger - The Merrie Cartoon Mogul (2012)
A Christmas Miracle: The Making of a Charlie Brown Christmas (2008)
We Need a Blockbuster, Charlie Brown (2008)
Popcorn and Jellybeans: Making a Thanksgiving Classic (2008)
Snoopy (voice)
He's a Bully, Charlie Brown (2006)
Behind the Tunes: Tish Tash - The Animated World of Frank Tashlin (2005)
Snoopy / Spike (voice)
I Want a Dog for Christmas, Charlie Brown (2003)
Self
Irreverent Imagination: The Golden Age of the Looney Tunes (2003)
Lucy Must Be Traded, Charlie Brown (2003)
Snoopy / Woodstock (voice)
Charlie Brown's Christmas Tales (2002)
A Charlie Brown Valentine (2002)
The Making of 'A Charlie Brown Christmas' (2001)
It's the Pied Piper, Charlie Brown (2000)
It Was My Best Birthday Ever, Charlie Brown! (1997)
You're in the Super Bowl, Charlie Brown! (1994)
It's Christmastime Again, Charlie Brown (1992)
It's Spring Training, Charlie Brown (1992)
Snoopy / Snoopy's Brothers and Sisters (voice)
Snoopy's Reunion (1991)
Snoopy / Woodstock
Why, Charlie Brown, Why? (1990)
Snoopy/Woodstock (voice)
The Mayflower Voyagers (1988)
Spike (voice) (uncredited)
It's the Girl in the Red Truck, Charlie Brown (1988)
Woodstock (voice) (uncredited)
Snoopy: The Musical (1988)
What Next, Charlie Brown (1987)
Snoopy / Woodstock (voice) (uncredited)
Happy New Year, Charlie Brown (1986)
It's Three Strikes, Charlie Brown (1986)
You're a Good Man, Charlie Brown (1985)
Snoopy / Spike / Woodstock (voice)
Snoopy's Getting Married, Charlie Brown (1985)
It's Flashbeagle, Charlie Brown (1984)
Woodstock/Snoopy
What Have We Learned, Charlie Brown? (1983)
It's an Adventure, Charlie Brown (1983)
Is This Goodbye, Charlie Brown? (1983)
A Charlie Brown Celebration (1982)
Someday You'll Find Her, Charlie Brown (1981)
It's Magic, Charlie Brown (1981)
Life Is a Circus, Charlie Brown (1980)
Bon Voyage, Charlie Brown (and Don't Come Back!) (1980)
She's a Good Skate, Charlie Brown (1980)
You're the Greatest, Charlie Brown (1979)
Snoopy
It's Dental Flossophy, Charlie Brown (1979)
What a Nightmare, Charlie Brown (1978)
Tooth Brushing (1978)
It's Your First Kiss, Charlie Brown (1977)
Race for Your Life, Charlie Brown (1977)
It's Arbor Day, Charlie Brown (1976)
Happy Anniversary, Charlie Brown (1976)
You're a Good Sport, Charlie Brown (1975)
Radiserne: Vær mit valentinshjerte, Søren Brun! (1975)
It's the Easter Beagle, Charlie Brown (1974)
A Charlie Brown Thanksgiving (1973)
Snoopy (voice) (uncredited)
There's No Time for Love, Charlie Brown (1973)
You're Not Elected, Charlie Brown (1972)
Snoopy, Come Home (1972)
Play It Again, Charlie Brown (1971)
A Boy Named Charlie Brown (1969)
It Was a Short Summer, Charlie Brown (1969)
He's Your Dog, Charlie Brown (1968)
You're in Love, Charlie Brown (1967)
Det er den store græskarmand, Søren Brun (1966)
Charlie Brown's All-Stars! (1966)
A Charlie Brown Christmas (1965)
A Boy Named Charlie Brown (1963)
Director
Happiness Is...Peanuts: Snow Days (2011)
Peanuts - 1960's Collection (2009)
Producer
Animation
Frosty Returns (1992)
Two Daddies? (1989)
Cathy's Valentine (1989)
Cathy's Last Resort (1988)
Cathy (1987)
Happily Ever After (1985)
The Romance of Betty Boop (1985)
Garfield on the Town (1983)
Here Comes Garfield (1982)
No Man's Valley (1981)
Narnia - Løven, Heksen og Garderobeskabet (1979)
Adaptation
Charlie Brown Clears the Air (1979)
Animation Director
Dick Deadeye, or Duty Done (1975)
Yes, Virginia, There Is a Santa Claus (1974)
It's a Mystery, Charlie Brown (1974)
Babar Comes to America (1971)
Art Designer
The Rainbow Bear (1970)
The Story of Babar, the Little Elephant (1968)
Executive Producer
Energetically Yours (1957)
The Dragon Slayer (1956)
Ballet-Oop (1954)
It's Everybody's Business (1954)
Madeline (1952)
Bushy Hare (1950)
A Ham in a Role (1949)
Dough Ray Me-ow (1948)
Bone Sweet Bone (1948)
The Big Snooze (1946)
The Great Piggy Bank Robbery (1946)
Baby Bottleneck (1946)
Book Revue (1946)
Wagon Heels (1945)
Falling Hare (1943)
Editor
Snehvide og de syv små dværge (1938)