Undercover Grandpa (2017)

Undercover Grandpa is the kind of breezy, crowd-pleasing family comedy that wins you over with its secret weapon: watching James Caan play a seemingly cranky old man who might just be the most capable person in the room. It has a fun, old-school adventure vibe—part teen wish-fulfillment, part “retired legends back in action”—and it keeps things light enough for a family movie while still delivering a few satisfying bursts of spy-movie energy. The charm comes from the generational teamwork, the banter among Grandpa’s eccentric former buddies, and the movie’s refusal to take itself too seriously. If you’re looking for gritty realism, this isn’t it, but if you want an easy, good-natured ride with heart, jokes, and a little harmless escapism, it’s an easy yes.

Undercover Grandpa is clearly aiming for a kid-friendly action-comedy where a teen and his “harmless” grandpa team up for a rescue mission, mixing slapstick, gadgets, and old-school spy bravado. The problem is the movie rarely delivers on either half: the jokes tend to land with a thud, the thrills feel low-stakes and TV-movie tame, and the writing leans on a premise that can feel more awkward than clever. If you’re expecting sharp comedy or a genuinely exciting adventure, this will likely test your patience, even with a cast that deserves better. Still, if you want something clean-ish, simple, and undemanding for a family night—and you’re mostly here for the novelty of elderly commandos doing light action—it may do the job.