Gilligan's Mother-in-Law
S2E1
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Gilligan's Island S02E17 · You've Been Disconnected
S2E1713th January 196625m6.0(1)
A storm washes up a Trans-continental telephone cable up into the lagoon. Once again the Castaways are given hope for a rescue, as the Professor manages to break into the cable and rig up a telephone so they can dial out for help.