The movie came about because the directors met Zack Gottsagen at a camp for disabled and non-disabled people and he expressed his desire to be a movie star. So the directors wrote the script around him and Zack's hopes and dreams that bled into the script and people they knew who would allow them to film for free and without permits.
Zack Gottsagen ad-libbed the answer "party" when he was asked for the first time by Tyler what rule number one is.
On July 30, 2019, the Ruderman Family Foundation honored this movie with its Seal of Authentic Representation for accurate depictions of people with disabilities.
It became a sleeper hit, becoming the highest grossing independent film of 2019.
The two male leads appeared together at the Academy Awards show in 2020. Zack Gottsagen became the first individual with Down syndrome to present an Academy Award when he and Shia LaBeouf announced the Best Live Action Short Film on February 9, 2020.