The Big Score is the sixth episode from Season 3.
It's soccer season and as per usual Phil has soccer-on-the-brain. But when Lil casually joins the team she suprises everyone including herself by instantly becoming a super star. At first Phil is happy for Lil, but when she outshines him, he starts to get jealous of her, and makes her leave the team, everybody is agitated at Phil for teatingg lil like that, so lil joins the team again. Phil and Lil eventually make up in the end.
Dil becomes the new mascot.