| Movie | 2019 | Max Steiner: Maestro of Movie Music | Self | |
| Movie | 1990 | Gremlins 2: The New Batch | Leonard Maltin | |
| Movie | 2023 | Dick Tracy Special: Tracy Zooms In | Self | |
| Movie | 2003 | Curtains for Roy Earle | Self | |
| Movie | 1997 | Forgotten Silver | Self | |
| Movie | 1994 | Leonard Maltin's Animation Favorites from the Film Board of Canada | | |
| Movie | 1986 | W.C. Fields: Straight Up | Self | |
| Movie | 2007 | Heckler | Self | |
| Movie | 1998 | Mike Hammer's Mickey Spillane | Self | |
| Movie | 2021 | Cinema Finds Its Voice | Narrator | |
| Movie | 2012 | Pablo | Self | |
| Movie | 2022 | Only in Theaters | Self | |
| Movie | 1997 | Once Upon a Dream: The Making of Walt Disney's 'Sleeping Beauty' | Self - Film Historian | |
| Movie | 2011 | These Amazing Shadows | Self | |
| Movie | 2011 | Woody Allen: A Documentary | Self | |
| Movie | 2021 | Cinema's First Colors | Narrator | |
| Movie | 2006 | The Sci-Fi Boys | Self | |
| Movie | N/A | The Invention of Cinema: Cinema's First Colors | Narrator | |
| Movie | 2020 | Bugs Bunny's 80th What's Up, Doc-umentary! | Self | |
| Movie | 2017 | Cartoon Camera | Self (Host) | |
| Movie | 2000 | Mary Pickford: A Life on Film | Self | |
| Movie | 2009 | No Subtitles Necessary: Laszlo & Vilmos | Self | |
| Movie | 2021 | 8 Winds | Self | |
| Movie | 2003 | Welcome to Sherwood! The Story of 'The Adventures of Robin Hood' | Self, Film Historian | |
| Movie | 2003 | Bob Hope: The Road to Laughter | Himself | |
| Movie | 2003 | Divided Highway: The Story of 'They Drive by Night' | Self | |
| Movie | 2007 | Bloodsucking Cinema | Self | |
| Movie | 2003 | Discovering Treasure: The Story of 'The Treasure of the Sierra Madre' | Self | |
| Movie | 2001 | Drive-In Movie Memories | | |
| Movie | 1992 | The Magical World of Chuck Jones | Self | |
| Movie | 2002 | Cinerama Adventure | Self | |
| Movie | 2004 | It Hopped One Night: A Look at ‘One Froggy Evening’ | Himself | |
| Movie | 2011 | Harry Dean Stanton: Crossing Mulholland | | |
| Movie | 2001 | Tony Curtis on 'Some Like It Hot' | Self / Interviewer | |
| Movie | 2004 | A Conversation with Roy Disney | | |
| Movie | 2023 | Temple of Film: 100 Years of the Egyptian Theatre | Self | |
| Movie | 2007 | Forging the Frame: The Roots of Animation, 1900-1920 | Himself | |
| Movie | 2008 | Forging the Frame: The Roots of Animation, 1921-1930 | Self | |
| Movie | 2007 | The Dawn of Sound: How Movies Learned to Talk | Self | |
| Movie | 2013 | The Making of the Wonderful Wizard of Oz | Self | |
| Movie | 1984 | The Making of the Stooges | Self | |
| Movie | 2014 | That Guy Dick Miller | Self | |
| Movie | 2001 | A Conversation with Fess Parker | Host | |
| Movie | 2002 | John Ford Goes to War | Self - Interviewee | |
| Movie | 2022 | To Kill a Mockingbird: All Points of View | Self | |
| Movie | 1990 | The Lost Stooges | Himself | |
| Movie | 2015 | The Three Stooges: Hey Moe! Hey Dad! | Self | |
| Movie | 1985 | Reflecting Thought: Stan Brakhage | Self | |
| Movie | 2009 | Dick Tracy Special | Himself | |
| Movie | 1997 | The Story Behind Walt Disney's 'Fun and Fancy Free' | Self | |
| Movie | 2005 | Alice's Cartoon World: An Interview with Virginia Davis | | |
| Movie | 2001 | Songs of the Silly Symphonies | | |
| Movie | 2001 | The Crockett Craze | | |
| Movie | 2005 | From Kansas City to Hollywood | Self | |
| Movie | 2004 | The Man Behind the Duck | Self | |
| Movie | 2007 | Spine Tingler! The William Castle Story | Self | |
| Movie | 2022 | Boris Karloff: The Rest of the Story | Self - Interviewee | |
| Movie | 2009 | The Making of 'Pinocchio': No Strings Attached | Himself | |
| Movie | 2007 | Soundies: A Musical History Hosted by Michael Feinstein | Self | |
| Movie | 2024 | Drew Friedman: Vermeer of the Borscht Belt | Self | |
| Movie | 2004 | Diamond in the Rough: The Making of Aladdin | Self | |
| Movie | 1999 | The Hand Behind the Mouse: The Ub Iwerks Story | Himself | |
| Movie | 2002 | Frank and Ollie... and Mickey | Leonard Maltin | |
| Movie | 2004 | The Voice Behind the Mouse | Himself | |
| Movie | 2004 | Mickey's Cartoon Comeback | Himself | |
| Movie | 1993 | Young Duke: Making Of A Movie Star | Himself | |
| Movie | 1998 | Junket Whore | Self | |
| Movie | 2015 | Fanarchy | Self | |
| Movie | 2004 | A Conversation with Joe Grant | Himself | |
| Movie | 2013 | Drew: The Man Behind the Poster | Self | |
| Movie | 2024 | Blake Edwards: A Love Story in 24 Frames | Self | |
| Movie | 2010 | Dalí & Disney: A Date with Destino | Himself | |
| Movie | 2022 | Splice Here: A Projected Odyssey | | |
| Movie | 2016 | The Marx Brothers: Hollywood's Kings of Chaos | Self | |
| Movie | 1995 | James Dean and Me | Self (uncredited) | |
| Movie | 2006 | American Scary | Himself | |
| Movie | 2000 | Without Lying Down: Frances Marion and the Power of Women in Hollywood | Self | |
| Movie | 2001 | Celebrating Dumbo | Self | |
| Movie | 2009 | Vittorio D. | Self | |
| Movie | 2017 | This Is Bob Hope... | Self | |
| Movie | 2001 | Playboy Mansion Parties Uncensored | Self | |
| Movie | 2005 | William Powell: A True Gentleman | | |
| Movie | 2017 | Stewart & Mitchum: The Two Faces of America | Self | |
| Movie | 2004 | Marty Sklar, Walt, and EPCOT | Leonard Maltin | |
| Movie | 2008 | Public Enemies: The Golden Age of the Gangster Film | Self | |
| Movie | 2008 | Thou Shalt Not: Sex, Sin and Censorship in Pre-Code Hollywood | Self | |
| Movie | 2018 | The Great Buster: A Celebration | Self | |
| Movie | 2001 | Topaz: An Appreciation by Film Critic/Historian Leonard Maltin | Narrator | |
| Movie | 1989 | Bugs and Daffy: The Wartime Cartoons | Himself | |
| Movie | 2003 | A Love Story: The Story of 'To Have and Have Not' | Self | |
| Movie | 1992 | The Making of High Noon | Self - Presenter | |
| Movie | 2019 | Zsa Zsa Gabor, Königin des roten Teppichs | Himself | |
| Movie | 2015 | Notfilm | Self | |
| Movie | 2019 | Carl Laemmle | Himself | |
| Movie | 2009 | 1939: Hollywood's Greatest Year | Self | |
| Movie | 2009 | Victor Fleming: Master Craftsman | Self | |
| Movie | 2011 | Lost Forever: The Art of Film Preservation | Himself | |
| Movie | 2015 | Marsha Hunt's Sweet Adversity | Self | |
| Movie | 2003 | Sex at 24 Frames Per Second | Self | |
| Movie | 1997 | Frank Capra's American Dream | Self (voice) | |
| Movie | 1999 | Keepers of the Frame | Himself | |
| Movie | 2000 | The Fantasia Legacy: The Concert Feature | Self | |
| Movie | 2000 | The Fantasia Legacy: Fantasia Continued | Himself | |
| Movie | 2007 | The Pixar Story | Self | |
| Movie | 2019 | Going Attractions: The Definitive Story of the Movie Palace | Himself | |
| Movie | 2019 | Image Makers: The Adventures of America's Pioneer Cinematographers | Self | |
| Movie | 2012 | Clara Bow: Hollywood's Lost Screen Goddess | Himself | |
| Movie | 2018 | Scandal: The Trial of Mary Astor | Himself | |
| Movie | 2019 | Making Apes: The Artists Who Changed Film | Self | |
| Movie | 2005 | They Can't Take That Away from Me: The Music of 'Shall We Dance' | Himself | |
| Movie | 2005 | Remembering Harold | Himself | |
| Movie | 2000 | Chuck Jones: Extremes and In-Betweens - A Life in Animation | Self | |
| Movie | 1993 | The Making of 'Rio Grande' | Self | |
| Movie | 2013 | The One and Only June Foray | Self | |
| Movie | 2020 | Adventure Thru the Walt Disney Archives | Self | |
| Movie | 2009 | The Boys: The Sherman Brothers' Story | Self | |
| Movie | 2015 | Women He's Undressed | Self | |
| Movie | 2005 | Behind the Tunes: Tish Tash - The Animated World of Frank Tashlin | Himself | |
| Movie | 2006 | My Dad, Walt Disney | | |
| Movie | 2003 | Irreverent Imagination: The Golden Age of the Looney Tunes | Himself | |
| Movie | 2005 | Reunited at MGM: Astaire and Rogers Together Again | Self / historian and film critic | |
| Movie | 1999 | Clara Bow: Discovering the It Girl | Self - Film Critic and Historian | |
| Movie | 2000 | Howard Hughes: His Women and His Movies | Self | |
| Movie | 1997 | The Secrets of 007 | Self | |
| Movie | 2003 | Hold Your Breath and Cross Your Fingers: The Story of 'Dark Passage' | Self | |
| Movie | 1994 | Biography: Bette Davis — If Looks Could Kill | Self | |
| Movie | 2005 | Behind the Tunes: Looney Tunes Go to War! | Himself | |
| Movie | 1992 | Cartoon Madness: The Fantastic Max Fleischer Cartoons | Self | |
| Movie | 2000 | Hollywood at Your Feet: The Story of the Chinese Theatre Footprints | Self | |
| Movie | 2009 | Johnny Mercer: The Dream's on Me | Self | |
| Movie | 2021 | The Méliès Mystery | Narrator | |
| Movie | 2006 | Treasures Untold: The Making of Disney's 'The Little Mermaid' | Self | |
| Movie | 2014 | The True Adventures of Raoul Walsh | Self | |
| Movie | 2009 | Coming Attractions: The History of the Movie Trailer | Self | |
| Movie | 2005 | Behind the Tunes: Bosko, Buddy and the Best of Black and White | Himself | |
| Movie | 2024 | The Life and Times of Farmer Al | Self | |
| Movie | 2022 | 1982: Greatest Geek Year Ever! | Self | |
| Movie | 2008 | Out of the Inkwell: The Fleischer Story | Himself | |
| Movie | 2007 | Searchers 2.0 | Film Critic | |
| Movie | 1992 | The Making of 'The Quiet Man' | Host | |
| Movie | 2017 | John G. Avildsen: King of the Underdogs | Self | |
| Movie | 2024 | Stella Stevens: The Last Starlet | | |
| Movie | 2009 | The Anatomy of Vince Guaraldi | Self | |
| Movie | 2003 | Twentieth Century Fox: The Blockbuster Years | Self | |
| Movie | 2001 | The Omen Legacy | Self | |
| Movie | 2025 | Long Lonesome Highway: The Story of Michael Parks | Self | |
| Movie | 2008 | Ben Hecht: Shakespeare of Hollywood | Self | |
| Movie | 1997 | Walt Disney's 'The Jungle Book': The Making of a Musical Masterpiece | Self | |
| TV Show | 1981 | Entertainment Tonight | | 91 |
| TV Show | 1989 | Mystery Science Theater 3000 | Leonard Maltin | 1 |
| TV Show | 1997 | The View | Self | 1 |
| TV Show | 1996 | E! True Hollywood Story | | 1 |
| TV Show | 1954 | Davy Crockett | DVD Release Host | 0 |
| TV Show | 2001 | Good Day Live | Self | 5 |
| TV Show | 2010 | Maltin on Movies | | 1 |
| TV Show | 1995 | Freakazoid! | Himself (voice) | 1 |
| TV Show | 2023 | 100 Years of Warner Bros. | Self | 3 |
| TV Show | 2010 | Moguls & Movie Stars: A History of Hollywood | Self | 7 |
| TV Show | 1981 | Entertainment Tonight | Self | 1 |
| TV Show | 2014 | BoJack Horseman | Leonard Maltin (voice) | 1 |
| TV Show | 1968 | The Dick Cavett Show | Self - Guest | 1 |
| TV Show | 2018 | Eli Roth's History of Horror | Self | 4 |
