Una and an alien robot have 24 hours to find her Grandpa who was kidnapped by aliens. The extraordinary adventure leads to friendship, the rational robotic logic is replaced by emotions and Una's selfless love saves her partly alien family.
My Grandpa is an Alien (2019) is available to stream online in HD across all devices — mobile, tablet, and desktop.
Watch My Grandpa is an Alien Full Movie HDTop Billed Cast
View All
Popular Movies Coming Soon
12 upcoming films
Super Troopers 3
Super Troopers 3
The Last House
The Last House
Insidious: Out of the Further
Insidious: Out of the Further
The Whisper Man
The Whisper Man
Resident Evil
Resident Evil
Street Fighter
Street Fighter
Clayface
Clayface
Ice Cream Man
Ice Cream Man
ゴジラ-0.0
Godzilla Minus Zero
रामायण
Ramayana: Part One
Avengers: Doomsday
Avengers: Doomsday
Lords of War
Lords of War
Upcoming Adventure Movies
4 titles
More by Cast
Nils Ole Oftebro & Petra Polnišová
Dream Team
Dream Team
Comments & Discussions
Join the conversation
Sign in to leave a comment
No comments yet
Be the first to share your thoughts!
Recommended
Because you liked My Grandpa is an Alien
Planet of the Apes
Planet of the Apes
Baby Shark's Big Movie
Baby Shark's Big Movie
The Rock
The Rock
The Lego Movie
The Lego Movie
Baby's Day Out
Baby's Day Out
The Matrix Revolutions
The Matrix Revolutions
Noah
Noah
The Princess Bride
The Princess Bride
Journey to the Center of the Earth
Journey to the Center of the Earth
Jack in Time for Christmas
Jack in Time for Christmas
Search for movies, TV shows, collections, manga, or people
Trending Now