Program Interstitials (Irwin's Birthday) S31E31 - Program Interstitials (Irwin's Birthday) 1966
Behind the scenes Easter egg about the director Irwin Allen in Lost in Space.
- Released: 1966-04-13
- Runtime: 50 minutes
- Genre:
- Stars: Guy Williams, June Lockhart, Mark Goddard, Marta Kristen, Angela Cartwright, Bill Mumy, Jonathan Harris, Dick Tufeld, Bob May
- Director: