2020
						
							The Little Dog Laughed as Alex						
					 
									
						2020
						
							Stars in the House as Self (1 episode)						
					 
									
						2019
						
							A Dog's Journey as Henry Montgomery						
					 
									
						2018
						
							The Conners as David Healy (4 episodes)						
					 
									
						2018
						
							SciJinks as Himself - Host (8 episodes)						
					 
									
						2018
						
							The Cleanse as Paul Berger						
					 
									
						2017
						
							Rings as Gabriel Brown						
					 
									
						2016
						
							Must See TV: An All Star Tribute to James Burrows as Self						
					 
									
						2015
						
							Lip Sync Battle as Self (1 episode)						
					 
									
									
									
						2010
						
							Conan as Self (1 episode)						
					 
									
						2009
						
							Table for Three as Ted						
					 
									
									
						2007
						
							The Big Bang Theory as Leonard Hofstadter (279 episodes)						
					 
									
						2007
						
							Boulevard of Broken Dreams as Self (archive footage) (1 episode)						
					 
									
						2005
						
							My Name Is Earl as Scott (1 episode)						
					 
									
						2005
						
							American Dad! as Arnie (voice) (1 episode)						
					 
									
						2005
						
							Happy Endings as Miles (uncredited)						
					 
									
						2005
						
							The Late Late Show with Craig Ferguson as Self (1 episode)						
					 
									
						2004
						
							LAX as Leland Pressman (1 episode)						
					 
									
						2004
						
							Entourage as Johnny Galecki (3 episodes)						
					 
									
									
						2003
						
							Hope & Faith as Jay (3 episodes)						
					 
									
									
						2001
						
							Vanilla Sky as Peter Brown						
					 
									
						2001
						
							Morgan's Ferry as Darcy						
					 
									
									
						2000
						
							Playing Mona Lisa as Arthur						
					 
									
						1999
						
							The Norm Show as Dale Stackhouse (2 episodes)						
					 
									
						1999
						
							Family Guy as Leonard Hofstadter (voice) (1 episode)						
					 
									
						1999
						
							Batman Beyond as Knux (voice) (1 episode)						
					 
									
									
						1997
						
							I Know What You Did Last Summer as Max Neurick						
					 
									
						1997
						
							Suicide Kings as Ira Reder						
					 
									
						1997
						
							Bean as Stingo Wheelie						
					 
									
						1996
						
							Murder at My Door as Teddy McNair						
					 
									
						1994
						
							Without Consent as Marty						
					 
									
						1993
						
							Sudden Fury as Daniel Hannigan						
					 
									
						1992
						
							Billy as David MacGregor (13 episodes)						
					 
									
						1991
						
							Civil Wars as Greg Stolbach (1 episode)						
					 
									
						1991
						
							Backfield in Motion as Tim Seavers						
					 
									
						1990
						
							In Defense of a Married Man as Eric						
					 
									
						1990
						
							American Dreamer as Danny Nash (17 episodes)						
					 
									
						1990
						
							Blossom as Jason (1 episode)						
					 
									
						1990
						
							Blind Faith as John Marshall (2 episodes)						
					 
									
						1989
						
							National Lampoon's Christmas Vacation as Russell 'Rusty' Griswold						
					 
									
						1989
						
							Prancer as Billy Quinn						
					 
									
						1989
						
							Hardball (1 episode)						
					 
									
						1988
						
							Roseanne as David Healy (92 episodes)						
					 
									
						1988
						
							A Night in the Life of Jimmy Reardon as Toby Reardon						
					 
									
						1987
						
							Murder Ordained as Doug Rule						
					 
									
						1981
						
							Entertainment Tonight as Self (2 episodes)