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Mark is despondent as he has not just lost his new pet, Marco Polo, but his old pet Ben. Frank from Seaquarium takes Mark and Tom out on a boat to find Ben and Marco Polo. They spot Ben on a small island and as they get his attention and he swims for the boat he is threatened by a shark. Marco Polo comes to the rescue and nudges the shark away from Ben. Ben climbs a ladder to get onto the boat, and Marco Polo is returned to Seaquarium.
First Air Date : Sep 10, 1967
Last Air date : Apr 27, 1969
Episode : 56 Episode
Season : 2 Season
Runtime: 30 minutes
Studio: CBS
Country: United States of America
Crew: Ivan Tors (Producer)