The year 1948 in television involved some significant events. Below is a list of television-related events in 1948.

Events

• March 20 - Renowned Italian conductor Arturo Toscanini makes his television debut, conducting the NBC Symphony Orchestra in an all-Wagner program.
• June 21 - The first network telecast of political conventions from Philadelphia.
• July 29 - The BBC Television Service begins its coverage of the Olympic Games in London by broadcasting the opening ceremony. From now until the closing ceremony on August 14 the BBC will broadcast an average three and a half hours a day of live coverage from the Games, using a special coaxial cable linking the main venue at Wembley Stadium to the television service's base at Alexandra Palace. This is the most ambitious sustained outside broadcast yet attempted by the BBC, but passes off with no serious problems.
• July 30 - Professional wrestling premieres in prime-time on the DuMont Network.
• November 4 Moscow TV center adopted a new 625 lines standard.
• August 15 - The first network nightly newscast, CBS-TV News, debuts on CBS with Douglas Edwards.
• November 29 - The television puppet show Kukla, Fran and Ollie moves to the NBC Midwest Network.
• CBS begins network programming.
• ABC opens its first television station in New York.
• Television manufacturing begins in Canada.
• Telecasts of the NBC Symphony Orchestra, begin until 1954.

Debuts

• January 5 - Television Newsreel (UK) is first shown on the BBC Television Service (1948-1954).
• June 8 - Milton Berle becomes the first United States television star with the debut of Texaco Star Theater (later The Milton Berle Show) on NBC (1948-1953).
• June 20 - Toast of the Town, with Ed Sullivan, premieres on CBS, with guests Dean Martin and Jerry Lewis (later renamed, The Ed Sullivan Show) (1948-1971).
• July 1 - Mark Goodson's first game show Winner Take All premieres on CBS (1948-1952).
• August 10 - Candid Microphone (renamed Candid Camera in 1949) debuts on ABC (1948-present).
• The Adventures of Oky Doky premieres (1948-1949).
• Amanda (1948-1949).
• The Bigelow Show premieres (1948-1949).
• Champagne and Orchids (1948-1949).
• Child's World debuts (1948-1949).
• Actor's Studio (1948-1950).
• Cartoon Teletales (1948-1950).
• The Alan Dale Show premieres (1948-1951).
• Club Seven (1948-1951).

Television shows

Ending this year

• The World In Your Home (1944-1948).
• Paging You (1946-1948)
• Eye Witness (1947-1948).
• In the Kelvinator kitchen (1947-1948).

Births

• January 1 - Anita Graham, actress
• September 13 - Nell Carter, actress, singer (d. 2003)
• September 24 - Phil Hartman, actor, comedian, Saturday Night Live, The Simpsons, NewsRadio (d. 1998)
• October 29 - Kate Jackson, actress

es:Anexo:Televisión en 1948 fr:1948 ŕ la télévision sq:1948 në televizion