2022

(1 episode) as Self - Expert

2021		For Real: The Story of Reality TV (7 episodes)
2021		Name That Tune (1 episode) as Self - Contestant

2015

(4 episodes) as Himself

2009

(1 episode) as Tyler Callahan

2007

(1 episode)

2006		30 Rock (1 episode) as Clay Aiken
2006		The Megan Mullally Show (3 episodes)

2005		The Tyra Banks Show (2 episodes)
2005		The Office (1 episode) as Clay Aiken

2004

(2 episodes) as Self - Performer

2003		Canadian Idol (1 episode) as Self - Guest
2003		Real Time with Bill Maher (1 episode) as Self
2003		Jimmy Kimmel Live! (6 episodes)

2002

(1 episode) as Self - Guest (1 episode) as Self - Audience Member (2 episodes) as Self - Guest Host

2001

(1 episode) as Kenny

2000

(1 episode) as Self

1999

(1 episode) as Self

1997

(8 episodes) as Self

1992

(2 episodes)

1988

(1 episode)

1975

(1 episode) as Self - Musical Guest