The castaways attach a message to a homing pigeon that has flown off course and landed on the island, but the man who receives their message thinks it's part of a practical joke.
Did You Know?
Sterling Holloway, who plays Bert the bird man, was also the voice of Winnie the Pooh. See more
When the Professor releases the Pigeon at the end of the episode, everyone watches it fly off to their left except Mary-Ann and Ginger, who watches looks straight ahead. See more
Professor Roy Hinkley
It's working, he's afraid of himself.
That makes it unanimous!