April 12th in TV History
Birthdays
 | Charles Napier | 1936 in Mt. Union, KY | |
| Ed O'Neill | 1946 in Youngstown, OH | - Married With Children, Modern Family |
Deaths
| Georgia Engel | 2019 in Princeton, NJ | - The Mary Tyler Moore Show |
TV Shows Ended
McHale's Navy (1966)TV Episode Debuts
| I Love Lucy | "Lucy's Club Dance" | 1954 |
| Gunsmoke | "Amy's Good Deed" | 1958 |
| The Rifleman | "Shotgun Man" | 1960 |
| The Adventures of Ozzie and Harriet | "The Pen and Pencil Set" | 1961 |
| The Adventures of Ozzie and Harriet | "Barry's Birthday" | 1962 |
| 77 Sunset Strip | "Reunion at Balboa" | 1963 |
| Voyage to the Bottom of the Sea | "The Condemned" | 1965 |
| The Andy Griffith Show | "The Luck of Newton Monroe" | 1965 |
| The Fugitive | "A Taste of Tomorrow" | 1966 |
| Lost in Space | "The Astral Traveler" | 1967 |
| I Spy (US) | "Cops and Robbers" | 1967 |
| The Beverly Hillbillies | "The Little Monster" | 1967 |
| Doctor Who | "The Space Pirates, Part Six" | 1969 |
| The Six Million Dollar Man | "Burning Bright" | 1974 |
| Mork & Mindy | "Mork Runs Down" | 1979 |
| Angie | "The Opportunity" | 1979 |
| Lou Grant | "Law" | 1982 |
| The A-Team | "One More Time" | 1983 |
| Dallas | "Terms of Estrangement" | 1985 |
| Night Court | "Pen Pals" | 1989 |
| Cheers | "The Ghost and Mrs. Lebec" | 1990 |
| Dallas | "Farewell, My Lovely" | 1991 |