In November 2010, Thwaites, along with Adele Perovic, Ben Schumann, Emily Robins, and Gracie Gilbert, was cast in a new Fox8 Australian teen drama series, Slide. The show follows five Brisbane teenagers making their way to adulthood. Thwaites believes his character, Luke Gallagher, "stands back a bit. He watches. He's struggling with family issues. He's drawn in as it was a chance to find better friends and an opportunity to be part of a group. He's a cool, accepted kid. Some friends he can love and help him mature. " Thwaites made his first appearance on Slide in the series' premiere episode on 16 August 2011. The series ran one season.