Ask for an American inspirational funny movie. Probably the story is that the protagonist got lost when he was a child and wandered all the way to find his parents when he grew up.

Joe Tu's Adventure/Broom Boy Joe Tu (200 1)

Jodie is an 8-year-old child of 1975. At that time, he followed his parents to the Grand Canyon for an outing. Greedy Jody left her parents to steal someone else's picnic. Later, when he climbed out of the dirty trash can, he found that his parents were gone, leaving only himself, so Jody had to live on his own in the future.

Many years later, Jody has grown into a big boy. Now he is a janitor. He has weird long hair and always wears jeans that have faded after repeated rinsing. Jody's only wish now is to find her long-lost parents as soon as possible. So Jody, who was optimistic and cheerful by nature, drove his own broken car and embarked on a long road to find relatives. ...