Sea Monsters 3
Sea Monster pals Tickles and Toothy McGru can't seem to fit in with the fish in the reef. In fact they can't even figure out what types of fish they are! Could it have to do with Halloween? With the help of Fifi and Lily the pals set off on a quest to learn their true identity. Get ready for an underwater Halloween adventure for the ages. It's Sea Monsters 3.
Top cast
Below are the streaming services currently carrying the movie “Sea Monsters 3” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch Sea Monsters 3 in Canada
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Not currently available on the supported providers in Canada.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 17 Sept 2026.