Mannix vaguely remembers a girl's death, but that's about all.
| Title | What Happened to Sunday? |
|---|---|
| Genres | Action & Adventure Crime Mystery Drama |
| Release Date | 1971-01-09 |
| Episode Runtime | 00 Hours 52 Minutes |
| Season Number | 4 |
| Episode Number | 15 |
| Production Companies | Desilu Productions, Norway Corporation, Paramount Television |
