Phineas and Ferb (2007)

S1E34 Got Game?

Title: Game On! Plot: The boys organize a sports challenge to determine who among the girls excels in athletics. Meanwhile, they work together to construct a telescope in the backyard. Candace finds herself on the receiving end of her brother Jeremy's sister's teasing. In another subplot, Doofenshmirtz is determined to triumph in a dog competition, concocting a plan to turn a steak into liquid form.