Jason O'Day first appears driving his camper van on a long journey, and meets Tony and Tia hiding at the back of his van. He initially is antagonistic towards them and tells them to get out, but decides to make them breakfast. He ends up helping the kids after losing his car keys, and they help him start the engine.
He helps the kids escape from Deranian, and when they get to Longview town he tells them to escape through the side door so he could distract Deranian, telling them to get to his brother Hiram's house.
In the end he keeps Winkie and bids farewell to the kids as they leave on their spaceship.