Where To Stream Gilligan's Island Season 3 Episode 25
The Secret of Gilligan's Island
- Aired March 13, 1967
- 30 Min
- Rated 10.0
- Number 16 Of 97 Rated Episodes
Gilligan discovers an incomplete stone tablet with hieroglyphics on it. The Professor interprets the markings to be a map of how to get off the island. The castaways then search all the caves on the island for the missing pieces of the tablet.