The episode features the series' main ensemble alongside notable guest stars: as Sheldon Cooper Zoe Perry as Mary Cooper Lance Barber as George Cooper Sr. Raegan Revord as Missy Cooper Montana Jordan as Georgie Cooper Annie Potts as Meemaw Jim Parsons as the Voice of Adult Sheldon
Sheldon decides to learn how to ride a bike after realizing his lack of ability is socially embarrassing. However, his analytical, physics-driven approach clashes with the physical intuition required for balance. Meanwhile, Missy steps in to teach him using a method involving training wheels and a leaf blower (leading to the episode’s title). In the subplot, George Sr. struggles with his new job as a high school football coach, and Mary deals with church gossip. young sheldon s04e03 x265