23 shows
| Premiere | Show | Network | Seasons | Episodes | Genre |
|---|---|---|---|---|---|
| Feb 16 | NBC Nightly News with Tom LlamasNews program | NBC | — | 4,029 | News |
| Apr 14 | Scoreboard | DuMont | 1 | 52 | — |
| Apr 15 | Hollywood Screen Test | ABC | 5 | 32 | — |
| Apr 22 | Barney Blake, Police Reporter | NBC | 1 | 13 | Drama |
| Jun 20 | The Ed Sullivan Show | CBS | 24 | 1,068 | Entertainment |
| Jun 20 | The Fred Waring Show | CBS | — | — | Variety show |
| Aug 11 | The Laytons | DuMont | 1 | 10 | Sitcom |
| Aug 16 | Quizzing the News | ABC | 1 | 2 | — |
| Sep 26 | Actors Studio | ABC | 2 | 65 | Drama |
| Sep 27 | The Chevrolet Tele-Theatre | NBC | 2 | 82 | Anthology |
| Oct 3 | The Philco Television Playhouse | NBC | 8 | 265 | Anthology |
| Oct 17 | Elder Michaux | WTTG | — | — | — |
| Nov 1 | Okay, Mother | WNYW | 3 | — | Game show |
| Nov 4 | Fashions on Parade | DuMont | 1 | — | Documentary |
| Nov 4 | The Adventures of Oky Doky | DuMont | — | — | Children's |
| Nov 7 | Newsweek Views the News | DuMont | — | — | News |
| Nov 7 | Westinghouse Studio One | CBS | 10 | 467 | Anthology |
| Nov 14 | Cartoon Teletales | ABC | — | — | Children's |
| Dec 9 | Who Said That? | NBC | — | — | Game show |
| — | Candid Camera | Italia 1 | — | 1,000 | Hidden camera show |
| — | The Brighter Day | CBS, NBC | — | — | Soap opera |
| Dec 31 | The Johns Hopkins Science Review | CBS | — | 303 | — |
| — | The Wendy Barrie Show | ABC | — | — | Talk show |
Finales
Shows that ended in 1948
| Show | Network | Years | Seasons | Years on air |
|---|---|---|---|---|
| Television Playhouse | NBC | 1947–1948 | 1 | 2 |
| In the Kelvinator Kitchen | NBC | 1947–1948 | — | 2 |