Movies Like My Grandpa Detective

If you liked My Grandpa Detective (2016), a comedy movie, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Merry Christmas, Drake & Josh (2008)
★ 7.3/10Also comedy
Step brothers Drake and Josh must give a foster family the best Christmas ever or face years in jail for a Christmas party gone wrong.
2
Thunderstruck (2012)
★ 6.2/10Also comedy
After NBA star Kevin Durant switches talent with 16 year old Brian, the teenager becomes the star of his high school team, but Durant starts struggling and eventually learns an important lesson.
3
The Thursday Murder Club (2025)
★ 6.6/10Also comedy
A group of senior sleuths passionate about solving cold cases get plunged into a real-life murder mystery in this comic crime caper.
4
Little Big League (1994)
★ 6/10Also comedy
When the owner of the Minnesota Twins passes away, he bequeaths the team to his preteen grandson. The newly minted head honcho quickly appoints himself manager, causing unrest in an organization that struggles to take…
5
Psych 3: This Is Gus (2021)
★ 6.9/10Also comedy
In preparation for a shotgun wedding before the birth of Baby Guster, Shawn and Gus go rogue in an attempt to track down Selene’s estranged husband, as Lassiter grapples with the future of his career.
6
The Paper Tigers (2020)
★ 6.7/10Also comedy
Three middle aged men polish their martial arts skills to avenge their fallen master.
7
Cheaper by the Dozen (2022)
★ 6.3/10Also comedy
This remake of the beloved classic follows the raucous exploits of a blended family of 12, the Bakers, as they navigate a hectic home life while simultaneously managing their family business.
8
Rookie of the Year (1993)
★ 6.2/10Also comedy
When the cast comes off his once broken arm, a 12-year-old boy can throw a 100-mile-an-hour fastball, and the Chicago Cubs want him as their new pitcher.
9
A Christmas Story Christmas (2022)
★ 6.3/10Also comedy
Follows Ralphie, now adult, who returns to the house on Cleveland Street to give his kids a magical Christmas like the one he had as a child, reconnecting with childhood friends, and reconciling the passing of his Old…
10
Adventures in Babysitting (2016)
★ 7.2/10Also comedy
Two teen rival babysitters, Jenny and Lola, team up to hunt down one of their kids who accidentally ran away into the big city without any supervision.
11
The Pink Panther Strikes Again (1976)
★ 6.9/10Also comedy
Charles Dreyfus, who has finally cracked over inspector Clouseau's antics, escapes from a mental institution and launches an elaborate plan to get rid of Clouseau once and for all.
12
The Three Stooges (2012)
★ 5.8/10Also comedy
Left on the doorstep of an orphanage run by nuns, three newborn knuckleheads grow up to be finger-poking, nyuk-nyuking janitors named Larry, Curly and Moe. When they learn that financial problems will soon force the…
13
Cadet Kelly (2002)
★ 6.2/10Also comedy
Hyperactive teenager Kelly is enrolled into a military school when her new stepfather becomes the Commandant. At first she has problems fitting in and taking orders until she tries out for the drill team.
14
The Willoughbys (2020)
★ 7.1/10Also comedy
When the four Willoughby children are abandoned by their selfish parents, they must learn how to adapt their Old-Fashioned values to the contemporary world in order to create something new: The Modern Family.
15
Oscar (1991)
★ 6.4/10Also comedy
Angelo "Snaps" Provolone made his dying father a promise on his deathbed: he would leave the world of crime and become an honest businessman. Despite having no experience in making money in a legal fashion, Snaps sets…
16
My Girl 2 (1994)
★ 6.1/10Also comedy
Vada Sultenfuss has a holiday coming up, and an assignment: to do an essay on someone she admires and has never met. She decides she wants to do an assignment on her mother, but quickly realises she knows very little…
17
Batman and Harley Quinn (2017)
★ 6.2/10Also comedy
Batman and Nightwing are forced to team with the Joker's sometimes-girlfriend Harley Quinn to stop a global threat brought about by Poison Ivy and Jason Woodrue, the Floronic Man.
18
Slumberland (2022)
★ 7.2/10Also comedy
A young girl discovers a secret map to the dreamworld of Slumberland, and with the help of an eccentric outlaw, she traverses dreams and flees nightmares, with the hope that she will be able to see her late father again.
19
Click & Collect (2018)
★ 6.6/10Also comedy
To save his daughter's Christmas, Andrew goes on a road trip with Dev, his neighbour from hell, to buy an elusive Sparklehoof the Unicorn Princess.
20
Duplex (2003)
★ 6.1/10Also comedy
When a young couple buys their dream home, they have no idea what the sweet little old lady upstairs is going to put them through!