The Professor thinks that the island is sinking, which causes the Castaways to panic. As it turns out, Gilligan has mistakenly moved the Professor's measuring stick, so the panic was a false alarm.
Elenco:
Bob Denver
,
Alan Hale Jr.
,
Russell Johnson
,
Jim Backus
,
Natalie Schafer
,
Tina Louise
,
Dawn Wells
.