TELEVISION (other)
For television programming, use roman, no quotation marks for the titles of ongoing or continuing sponsored series:
PBS's Mobil Masterpiece Theatre
Use italic without quotation marks for the title of a limited series (for example, a novel in several episodes) and roman with quotation marks for an individual episode or self-contained program within a series.
"The Lost Child" episode of Mobil Masterpiece Theatre's presentation of Prime Suspect
Star Trek: The Next Generation, "Tapestry"
the popular Jeopardy!
Networks and call letters of stations are full caps, no periods or spaces:
CBS; WETA or WETA-TV; WGBH or WGBH-TV, Boston.
Without call letters:
Channel 6, American Broadcasting Company, Public Broadcasting Service, public television.