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18 Again! poster
MOVIE

18 Again!

TMDb5.6IMDbView on IMDb ↗1988-04-08· 100 min
FantasyComedy

81-year-old millionaire Jack Watson switches bodies with his 18-year-old grandson David, leading the two to experience life on opposite ends of the age spectrum. But when David, trapped in Jack's aged body, ends up in a coma, his grandfather must use his meager knowledge of the youth to prevent his family from pulling the plug.

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Below are the streaming services currently carrying the movie “18 Again!” 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 18 Again! 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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Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 21 Sept 2026.

Where to watch 18 Again! by country