1997

(2 episodes) as Principal Hickey (voice) (23 episodes) as Principal Hickey

1995		Gadget Boy & Heather (26 episodes) as Gadget Boy (voice)
1995		Gadget Boy's Adventures in History (52 episodes)
1995		Get Smart (7 episodes) as Maxwell Smart

1987

(65 episodes)

1985

(66 episodes) as Howard Bannister

1983

(86 episodes) as Inspector Gadget (voice)

1979		Check It Out (0 episodes)
1979		Billy (1 episode)

1977

(1 episode) as Sidney Williams (1 episode) as William Robinson (1 episode) as Lenny Camen

1974

(3 episodes) as Self

1972		Wait Till Your Father Gets Home (1 episode)
1972		The New Scooby-Doo Movies (1 episode) as Don Adams (voice)

1971

(20 episodes) as Det. Lennie Crooke

1969

(1 episode)

1967		The Carol Burnett Show (1 episode) as Self - Guest
1967		Rowan & Martin's Laugh-In (1 episode) as Self

1965

(138 episodes) as Maxwell Smart

1963		Tennessee Tuxedo (70 episodes)
1963		The Bill Dana Show (42 episodes)

1962		The Tonight Show Starring Johnny Carson (35 episodes) as Self
1962		The Merv Griffin Show (1 episode) as Self

1961

(4 episodes) as Self - Co-Host (2 episodes) as Self

1957		The Lux Show (2 episodes) as Self
1957		Tonight Starring Jack Paar (7 episodes) as Self

1956

(8 episodes) as Self - Comedian

1950

(3 episodes) as Self

1948

(1 episode) as Self - Comedian / Magician (2 episodes) as Self - Comedian

—

… Creator

1971

… Creator

1971

(3 episodes) … Director

1965

(15 episodes) … Director

1965

(1 episode) … Writer