Conversation so far:
who plays the middle son on fuller house
Elias Harger plays Max Fuller, the eight year old middle child of DJ Fuller in Fuller House
where is elias harger from
Elias Harger was born in Denver, Colorado
what movies has elias harger appeared in
Elias Harger has been in the film Popsy
who wrote the screenplay of the film Popsy
Richard Fleming wrote the screenplay for the film Popsy

Question: what is the film based on
Self-contained rewrite: what is the film popsy based on