Where To Stream Irwin Allen's Lost in Space Season 2 Episode 23
Treasure of the Lost Planet
- Aired March 1, 1967
- 60 Min
- Rated 9.3
- Number 71 Of 83 Rated Episodes
Dr. Smith, Penny and Will are out playing a game and Penny finds a gold coin on the game board. They then find a trail of the gold coins and Dr. Smith falls into a cave containing a skeleton of an alien along with a old treasure chest. The Robinsons then have another encounter with the notorious space pirate Captain Tucker.