when does lucas find out brooke is not pregnant
Brooke Davis Lucas breaks up with Brooke, but Peyton decides to end their secret romance because she feels guilty and doesn't want to harm her relationship with her best friend. When Brooke finds out what really happened, however, she ends her friendship with Peyton and refuses to speak to her or to Lucas. During this time, Brooke experiences a pregnancy scare, eventually learning that her results were actually negative; however, in the heat of an argument with Lucas, she lies to him and tells him that she is pregnant with his child. When she comes clean about the truth, Brooke explains that she wanted to punish Lucas for cheating on her with Peyton. After uniting against Nicki (Jake Jagielski's ex-girlfriend), Brooke and Peyton agree to a truce and slowly begin to rebuild their friendship.