Dom has appeared on numerous TV shows throughout his career. Here is a listing of some of his appearances:

Late Late Show with Craig Ferguson (2011 on CBS)
Russell Peters' Best Night Ever (2011 on CBC)
Pound Puppies (2011)
The Supreme Court of Comedy (2010)
Til Death (2010)
Late Late Show with Craig Ferguson (2009)
Hang Time - NFL Channel (2009)
The Best of Just For Laughs (2009)
The Nasty Show (2008)
Back At The Barnyard movie (2006)
The Damon Show (2002)
The Drew Carey Show - Stan - Bringing Up Boss (2002)
Rendez-View - Himself - Scarier than the "Psycho" shower! (2001)
The King of Queens - Spero Dempolous - Work Related (2000)
Becker - Orvis - The Bearer of Bad Tidings (2000)
Everybody Loves Raymond - Seth Stipe - Marie and Frank's New Friends (2000)
Home Improvement - Ed - Ploys for Tots (1998)
Dr. Katz, Professional Therapist - Himself - Chopper (1997)
Dr. Katz, Professional Therapist - Himself - Broadcaster Ben (1997)
Dr. Katz, Professional Therapist - Himself - Reunion (1997)
Captain Simian and the Space Monkeys - Spydor (1996)
Caroline in the City - Cop - Caroline and the Dreamers (1996)
Boy Meets World - Bosco - Hair Today, Goon Tomorrow (1996)
Dr. Katz, Professional Therapist - Himself - Bees and SUDS (1996)
Dr. Katz, Professional Therapist - Himself - Glasses (1995)
Dr. Katz, Professional Therapist - Himself - Pot-Bellied Pigs (1995)
Lois & Clark: The New Adventures of Superman - Harry Hecklebaum - Season's Greetings (1994)
Seinfeld - Ronnie - The Fire (1994)
The Golden Girls - Produce Clerk - The Way We Met (1986)
The Golden Girls - Waiter - Flu Attack (a.k.a.) The Flu (1986)
Cameo in the Coen Brother's film, The Big Lebowski
Played himself in the Rodney Dangerfield/Dom De Luise film, The Godson