Episode Title:On Terra Firma.Episode Description:Rounding the Torres Strait, the Nautilus runs aground and they have to wait for the tide to come in. Pat breaks out of the cabin where he is locked up and kidnaps Tico, fleeing with him to the nearest islet, which turns out to be inhabited by savages. Pat convinces them to help him board the submarine, which they gladly do. Thanks to a plan devised by Willy Fog, they manage to save Tico and resume the march of the Nautilus.