| — | Encore | |
| 2023 | Sly | Self |
| 2022 | Black Adam | Uncle Al |
| 2022 | Scream | Party Guest (voice) (uncredited) |
| 2022 | The Legend of Vox Machina | Wilhand Trickfoot (voice) |
| 2022 | On the Count of Three | Dr. Brenner |
| 2022 | The Jennifer Hudson Show | Self |
| 2022 | Reindeer in Here | Smiley (voice) |
| 2022 | Sherri | Self - Guest |
| 2022 | Family Squares | |
| 2022 | Who's Talking to Chris Wallace? | Self |
| 2022 | Killing Me Softly with His Songs | Self |
| 2022 | חאנשי | Tatty |
| 2021 | The French Dispatch | Uncle Joe |
| 2021 | Monster bei der Arbeit | Fritz (voice) |
| 2021 | Inside Job | Melvin (voice) |
| 2021 | Die Flummel | Jepson (voice) |
| 2021 | Rugrats | Boris (voice) |
| 2021 | Rugrats | Boris / The Count / Mr. Friend Doll (voice) |
| 2021 | More Than Miyagi: The Pat Morita Story | Self |
| 2020 | Scooby! Voll verwedelt | Keith (voice) |
| 2020 | Close Enough | Alex's Dad (voice) |
| 2020 | Medical Police | Sy Mittleman |
| 2020 | Pink Skies Ahead | Dr. Cotton |
| 2020 | The Happy Days of Garry Marshall | Self |
| 2020 | The Paley Center Salutes Law & Order: SVU | (archive footage) |
| 2020 | Stars in the House | Self |
| 2019 | The Kelly Clarkson Show | |
| 2019 | Suzi Q | Self |
| 2019 | Lights Out with David Spade | Self - Panelist |
| 2019 | Pizza: A Love Story | self |
| 2019 | Where's Waldo? | Wizard Longbeard (voice) |
| 2018 | Barry | Gene Cousineau |
| 2018 | Inside The Episode: Barry | Self |
| 2017 | Sandy Wexler | Testimonial |
| 2017 | DuckTales | Bailiff (voice) |
| 2017 | Mariah Carey's All I Want for Christmas Is You | Grandpa Bill (voice) |
| 2017 | King Julien - König ohne Krone | Uncle King Julien (voice) |
| 2017 | Heroes Manufactured | Self (archive footage) |
| 2016 | Donald Trump's The Art of the Deal: The Movie | Ed Koch |
| 2016 | Besser spät als nie | Self |
| 2016 | Hank Zipzer's Christmas Catastrophe | Mr. Rock |
| 2016 | PRISM | Henry Winkler |
| 2015 | The Late Show with Stephen Colbert | Self |
| 2015 | Larry Gaye - Völlig abgehoben | Stanley Warner |
| 2015 | Close Up with The Hollywood Reporter | Self |
| 2015 | The Robot Chicken Christmas Special: The X-Mas United | Nerd's Dad (voice) |
| 2014 | BoJack Horseman | Henry Winkler (voice) |
| 2014 | The Tonight Show Starring Jimmy Fallon | Self |
| 2014 | Late Night with Seth Meyers | Self |
| 2014 | King Julien | Uncle King Julien (voice) |
| 2014 | Penn Zero: Part-Time Hero | The Snowman (voice) |
| 2014 | Hank Zipzer | Mr. Rock |
| 2014 | Robot Chicken: Christmas Specials | Various (voice) (archive sound) |
| 2013 | Teen Titans Go! | Captain Cool (voice) |
| 2013 | Uncle Grandpa | Nacho Cheese (voice) |
| 2013 | Drunk History | Zenas Fisk Wilber |
| 2013 | The Arrested Development Documentary Project | Self |
| 2013 | Hollywood Game Night | Self |
| 2013 | LEGO Hero Factory: Brain Attack | Nathaniel Zib (voice) |
| 2012 | Das Schwergewicht | Marty Streb |
| 2012 | Comedy Bang! Bang! | Leonard Rascal |
| 2012 | 1600 Penn | Senator Faxler |
| 2012 | LEGO Hero Factory: Breakout | Nathaniel Zib |
| 2012 | Robot Chicken's ATM Christmas Special | Nerd's Dad / Jason Bourne / Christmas Tree (voice) |
| 2011 | New Girl | Flip |
| 2011 | Bob's Burgers | Mall Santa (voice) |
| 2011 | Up All Night | Marty Alexander |
| 2011 | Bubble Guppies | Yeti (voice) |
| 2011 | Still Screaming: The Ultimate Scary Movie Retrospective | Self |
| 2011 | LEGO Hero Factory: Der wilde Planet | Nathaniel Zib (voice) |
| 2011 | LEGO Hero Factory: Ordeal of Fire | Nathaniel Zib (voice) |
| 2011 | Adventures of Serial Buddies | Narrator |
| 2011 | Running Mates | Bob Weatherbee |
| 2011 | Classic TV Bloopers Uncensored | Himself |
| 2010 | Kick Buttowski – Keiner kann alles | Principal (voice) |
| 2010 | Conan | Self |
| 2010 | Group Sex | Burton |
| 2010 | LEGO Hero Factory: Aufstieg der neuen Helden | Nathaniel Zib (voice) |
| 2010 | LEGO Hero Factory | Professor Nathaniel Zib |
| 2009 | Parks and Recreation | Dr. Saperstein |
| 2009 | Watch What Happens Live with Andy Cohen | Self - Guest |
| 2009 | Sit Down Shut Up | |
| 2009 | Angela and Friends | |
| 2009 | We Are the People We've Been Waiting For | Self |
| 2008 | Leg dich nicht mit Zohan an | Limousine Passenger |
| 2008 | Batman: The Brave and the Bold | Ambush Bug (voice) |
| 2008 | Frohe Weihnachten, Drake & Josh | Judge Newman |
| 2008 | Childrens Hospital | Sy Mittleman |
| 2008 | The Most Wonderful Time of the Year | Uncle Ralph |
| 2008 | Celebrity Juice | Self |
| 2008 | A Plumm Summer | Happy Herb |
| 2008 | Shatner's Raw Nerve | Self |
| 2007 | Hauptsache verliebt | Self |
| 2007 | Heckler | Self |
| 2007 | The Thick Of It | Cliff Lawton |
| 2006 | Klick | Ted |
| 2006 | Rachael Ray | |
| 2006 | The One Show | Self - Guest |
| 2006 | Unbeatable Harold | Fullerton |
| 2005 | American Dad | Child Protection Services Agent (voice) |
| 2005 | Numb3rs - Die Logik des Verbrechens | |
| 2005 | The Late Late Show with Craig Ferguson | Self |
| 2005 | The Late Late Show with Craig Ferguson | Personal Budget Expert |
| 2005 | 8 Out of 10 Cats | Self |
| 2005 | The Kid & I | Johnny Bernstein |
| 2005 | Out of Practice | Dr. Stewart Barnes |
| 2005 | Berkeley | Sy |
| 2005 | Raging Bull: Outside the Ring | Self |
| 2004 | The Tony Danza Show | Self - Guest |
| 2004 | Weezer: Video Capture Device - Treasures from the Vault 1991-2002 | Fonzie ("Buddy Holly") (archive footage) |
| 2004 | Fronterz | |
| 2003 | Das Geheimnis von Green Lake | Stanley Yelnats III |
| 2003 | Arrested Development | Barry Zuckerkorn |
| 2003 | The Ellen DeGeneres Show | Self |
| 2003 | Jimmy Kimmel Live! | Self |
| 2003 | Duck Dodgers | Dr. Maniac (voice) |
| 2003 | Clifford's Puppy Days | Norville (voice) |
| 2002 | American Idol | Self - Audience Member (uncredited) |
| 2002 | Ozzy & Drix | Sal Monella (voice) |
| 2001 | Crossing Jordan - Pathologin mit Profil | Dr. Jack Slocum |
| 2001 | Richard & Judy | Self |
| 2001 | Good Day Live | Self |
| 2001 | Sit Down, Shut Up | Willard Deutschebog |
| 2000 | Little Nicky - Satan Junior | Henry Winkler |
| 2000 | Den Einen oder Keinen | Chef Ray |
| 2000 | Battery Park | Walter Dunleavy |
| 1999 | Law & Order: Special Victims Unit | Edwin Todd |
| 1999 | SpongeBob Schwammkopf | |
| 1999 | Third Watch – Einsatz am Limit | |
| 1999 | Fünf Freunde in geheimer Mission | Edward Crow |
| 1999 | So Weird | Fergus McGarrity |
| 1999 | Teen Choice Awards | Self - Nominee |
| 1999 | Dill Scallion | Larry Steinberg |
| 1999 | Television: The First Fifty Years | Self |
| 1998 | Waterboy - Der Typ mit dem Wasserschaden | Coach Klein |
| 1998 | Kollisionskurs - Panik im Tower | John Quinn |
| 1997 | South Park | The Scary Monster (voice) |
| 1997 | King of the Hill | Henry Winkler (voice) |
| 1997 | Practice - Die Anwälte | Dr. Henry Olson |
| 1997 | The View | Self |
| 1997 | Dead Man's Gun | |
| 1997 | Dad's Week Off | Jack Potter |
| 1997 | Hostage High | Skip Fine |
| 1996 | Scream - Schrei! | Principal Arthur Himbry (uncredited) |
| 1996 | Blue's Clues - Blau und schlau | |
| 1996 | E! True Hollywood Story | |
| 1996 | Access Hollywood | Self |
| 1995 | Ein Witzbold namens Carey | Mr. Newsome |
| 1995 | A Child Is Missing | Steven Moore |
| 1994 | Eine Weihnacht | Dad |
| 1994 | Sesame Street | All-Star 25th Birthday: Stars and Street Forever! | Arthur 'Fonzie' Fonzarelli (archive footage) |
| 1994 | Monty | Monty Richardson |
| 1993 | Late Night with Conan O'Brien | Self - Guest |
| 1993 | GMTV | Self |
| 1993 | The Only Way Out | Tony |
| 1992 | Sightings | |
| 1991 | Pebble Mill | Self |
| 1991 | Voices That Care | Self - Choir Member |
| 1991 | Absolute Strangers | Marty Klein |
| 1989 | Die Simpsons | Ramrod (voice) |
| 1989 | Molly and the Skywalkerz in "Two Daddies?" | Carl Conway (voice) |
| 1988 | This Morning | Self - Guest |
| 1987 | Funny, You Don't Look 200: A Constitutional Vaudeville | Immigrant |
| 1986 | Barbra Streisand: One Voice | Self (Interviewee) |
| 1985 | MacGyver | Wilton Newberry (uncredited) |
| 1985 | Molly and the Skywalkerz in "Happily Ever After" | Carl Conway (voice) |
| 1985 | Hollywood's Funniest All-Star Bloopers | Self (archive footage) |
| 1984 | Steve Martin: Homage to Steve | Self |
| 1984 | Donald Duck's 50th Birthday | Self |
| 1984 | Strong Kids, Safe Kids | Himself / Arthur 'The Fonz' Fonzarelli |
| 1982 | Nightshift - Das Leichenhaus flippt völlig aus | Chuck Lumley |
| 1982 | Nature | Narrator (voice) |
| 1982 | Night of 100 Stars | Self |
| 1982 | The Mork & Mindy / Laverne & Shirley / Fonz Hour | The Fonz (voice) |
| 1982 | I Love Liberty | Self |
| 1982 | Barry Norman in Celebrity City | Self |
| 1980 | The Fonz and the Happy Days Gang | Fonzie |
| 1979 | An American Christmas Carol | Benedict Slade |
| 1979 | Sitcom: The Adventures of Garry Marshall | Himself |
| 1979 | A Walking Tour of Sesame Street | Arthur "The Fonz" Fonzarelli (archive footage) |
| 1978 | Mork vom Ork | Fonzie |
| 1978 | Das charmante Großmaul | Andy Schmidt |
| 1978 | Steve Martin: A Wild and Crazy Guy | Self |
| 1977 | Helden von heute | Jack Dunne |
| 1977 | Who Are the DeBolts? And Where Did They Get Nineteen Kids? | Self - Host (Television Version) |
| 1977 | Neil Diamond : Live At the Greek Theatre 1976 | Self - Uncredited |
| 1976 | Laverne & Shirley | |
| 1975 | Katherine | Bob Kline |
| 1974 | Happy Days | Arthur Fonzarelli |
| 1974 | Brooklyn Blues - Das Gesetz der Gosse | Butchey Weinstein |
| 1974 | Testament in Blei | Mannie |
| 1974 | Nightmare | Auditioning Actor (uncredited) |
| 1974 | Dinah! | Self |
| 1972 | The Bob Newhart Show | Miles Lascoe |
| 1971 | The Great American Dream Machine | Himself |
| 1970 | Mary Tyler Moore | Steve Waldman |
| 1962 | The Tonight Show Starring Johnny Carson | Self |
| 1954 | The Wonderful World of Disney | Self |
| 1953 | Oscar Verleihung | Self |
| 1949 | The Emmy Awards | Self |
