Here's a list of movies involving children, categorized by themes and genres:
Coming-of-Age/Childhood Adventures:
* The Goonies (1985): A group of kids on a treasure hunt.
* Stand By Me (1986): Four friends go on a summer adventure to find a missing boy's body.
* E.T. the Extra-Terrestrial (1982): A boy befriends an alien.
* The Sandlot (1993): A group of boys play baseball and have adventures in the summer.
* A Christmas Story (1983): A young boy's Christmas adventures.
* Matilda (1996): A gifted young girl with telekinetic powers.
* Moana (2016): A Polynesian princess sets sail to save her people.
* Spirited Away (2001): A young girl enters a magical world and must save her parents.
* Ponyo (2008): A goldfish princess wants to become human.
* Howl's Moving Castle (2004): A young woman cursed with old age must find a way to break the spell.
Fantasy/Magic:
* Harry Potter Series (2001-2011): A young boy discovers he's a wizard.
* The Chronicles of Narnia Series (2005-2010): Four siblings discover a magical world.
* The Lord of the Rings: The Fellowship of the Ring (2001): A young hobbit joins a quest to destroy the One Ring.
* Pan's Labyrinth (2006): A young girl escapes into a fantasy world to cope with the horrors of war.
* The NeverEnding Story (1984): A young boy enters a magical world through a book.
* Alice in Wonderland (2010): Alice falls down a rabbit hole and enters a fantastical world.
* The Spiderwick Chronicles (2008): Three siblings discover a field guide to fairies.
Family/Drama:
* Room (2015): A young boy is held captive with his mother.
* Little Miss Sunshine (2006): A dysfunctional family travels across America to a beauty pageant.
* Kramer vs. Kramer (1979): A divorced couple fights for custody of their son.
* The Fault in Our Stars (2014): Two cancer patients fall in love.
* Manchester by the Sea (2016): A man is forced to take care of his teenage nephew after his brother dies.
* The Pursuit of Happyness (2006): A father struggles to provide for his son while facing homelessness.
* Lion (2016): A young boy is lost in India and searches for his family years later.
Animated:
* Toy Story Series (1995-2019): A group of toys come to life when humans aren't around.
* Finding Nemo (2003): A clownfish searches for his son who has been captured.
* Up (2009): An elderly widower ties thousands of balloons to his house and flies away.
* Inside Out (2015): A young girl's emotions are personified and guide her through life.
* How to Train Your Dragon (2010): A young Viking befriends a dragon.
* Despicable Me (2010): A supervillain adopts three orphaned girls.
Horror/Thriller:
* The Sixth Sense (1999): A child psychologist treats a boy who can see dead people.
* The Exorcist (1973): A 12-year-old girl is possessed by a demon.
* The Babadook (2014): A widowed mother and her son are terrorized by a monster from a children's book.
* The Others (2001): A woman living in a darkened house with her two photosensitive children is haunted by mysterious occurrences.
* The Orphanage (2007): A woman returns to the orphanage she grew up in and discovers disturbing secrets.
This is just a small selection of movies involving children, and there are many more out there! Depending on your specific interests, you can find films about childhood, family, fantasy, horror, and much more.