Vic the Viking (2013)
The Kraken (1x61)
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Fishing for Giant Clams and in search of a Giant Pearl for Ylva, the Vikings face an underwater monster, the Kraken (in fact a Giant Squid), which prevents them to collect the Clams and the Pearl. Vic will have to find a way to lure the Kraken away and eventually find the Giant Pearl for Ylva.