And you thought he only did movies! Besides these TV shows, he was a studio musician (piano) in the late 1950s, early 1960s.

TV series John Williams composed music for:
Year indicated is first year the show aired.

NBC Today Show (1952)

General Electric Theater (1953)

Playhouse 90 (1956)

Tales of Wells Fargo (1957)

Bachelor Father (1957)

Wagon Train (1957)

M Squad (1957)

Checkmate (1960)

Kraft Mystery Theater (1961)

The Virginian (1962)

The Wide Country (1962)

Empire (1962)

Alcoa Premiere (1962) [one episode]

Gilligan's Island (1962) [two episodes]

Bob Hope presents the Chrysler Theater (1963)

Kraft Suspense Theater (1963) [three episodes]

Lost in Space (1965)

Kraft Summer Music Hall (1966)

Time Tunnel (1966)

Tammy Grimes Show (1966)

Land of the Giants (1968)

NBC Nightly News (1970) [main theme]

Masterpiece Theatre (1971) [arrangements]

The Cowboys (1974)

Los Angeles 1984: Games of the XXIII Olympiad (1984)

Athens 2004: Games of the XXVIII Olympiad (2004)

Jack & Bobby (2004)

Science of Star Wars (2005) [mini-series]

He also wrote the theme for "Amazing Stories" in the mid-80s and the "Liberty Fanfare" for the rededication of the Statue of Liberty .