Watch Ben Affleck and Jimmy Fallon Act Out Hilarious Scenes Written by Kids

Oct 07, 2016

Ben Affleck's upcoming film The Accountant is a high-stakes thriller about a criminal math savant, but if it had been left up to elementary schoolers, the movie would have a different tone.

During his Thursday night appearance on The Tonight Show, Affleck was tasked with doing a live reading of Accountant-inspired plays written by children, resulting in a hilarious round of Kid Theater. With host Jimmy Fallon as his co-star, the 44-year-old actor performed two different scenes — one in which the pair played star-crossed astronaut accountants and the other in which they took on the role of father and son.

Watch the full clip above.

All products and services featured are based solely on editorial selection. TIME may receive compensation for some links to products and services on this website.