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When the girl he likes goes missing, Jake enlists the help of his grandpa and Grandpa's former special ops buddies.
Director
Érik Canuel
Cast
James Caan, Jessica Walter, Louis Gossett Jr., Kenneth Welsh, Paul Sorvino, Dylan Everett, Jennifer Robertson, Greta Onieogou, Rob Archer, Lawrence Dane
Undercover Grandpa is streaming on Amazon Prime. Undercover Grandpa is streaming on Amazon Prime Video with Ads. Undercover Grandpa is streaming on Netflix. Watch Undercover Grandpa for free on Hoopla. Watch Undercover Grandpa for free on Plex. Watch Undercover Grandpa for free on Plex Channel. Watch Undercover Grandpa for free on Fawesome. Rent Undercover Grandpa on Fandango At Home. Rent Undercover Grandpa on Google Play Movies. Rent Undercover Grandpa on YouTube. Undercover Grandpa is not currently available on Hulu, Max, Disney+, Prime Video, Apple TV+. Availability last verified February 24, 2026.
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