Undercover Grandpa is a 2017 Canadian action comedy film directed by Érik Canuel (his final film before his death in 2024) and starring James Caan, Jessica Walter, Louis Gossett Jr., Dylan Everett, Paul Sorvino and Kenneth Welsh.

Jake is going to miss his first date with the girl of his dreams and no less has to hear crazy Grandpa's dubious war stories again.

As Maddy Harcourt government agents arrive on the scene, Grandpa is seen grabbing his chest and is rushed off to the hospital.

Sandie Angulo-Chen of Common Sense Media gave the film three stars out of five.

[1] Frank Scheck of The Hollywood Reporter gave the film a negative review describing it as "(n)either remotely thrilling or funny" and that it "isn't any fun.