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Captain Underpants Mega Blissmas poster
MOVIE

Captain Underpants Mega Blissmas

TMDb6.4IMDbView on IMDb ↗2020-12-03· 45 min
AnimationFamilyComedy

Christmas gets weird — really weird — after George and Harold go back in time to change up a few of their beloved holiday's traditions.

Top cast

Below are the streaming services currently carrying the movie “Captain Underpants Mega Blissmas” in the United Kingdom, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United Kingdom can differ from other countries.

Where to watch Captain Underpants Mega Blissmas in United Kingdom

Netflix
Netflix
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OSN+
OSN+
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Amazon Prime Video
Amazon Prime Video
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Shahid
Shahid
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Watch It
Watch It
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TOD
TOD
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Disney+
Disney+
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Apple TV+
Apple TV+
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Not currently available on the supported providers in United Kingdom.

Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 22 Sept 2026.

Where to watch Captain Underpants Mega Blissmas by country