All Grown Up! (2003)

S4E9 A DeVille House Divided

Phil finds himself attracted to Wally, who is not only Lil's best friend but also his soccer teammate. As they begin to spend more time together, Lil feels left out and decides to intervene. She devises a scheme to drive a wedge between them. However, things take a turn when Wally learns from Lil that Phil isn’t interested in her. When Phil discovers that his sister deceived Wally, he feels hurt and angry at Lil for her actions.