In "Somebunny's in Trouble", Emma had a crush on him. She had Luke help her learn about sports so Brett would like her. When Emma found a phone number in his jacket, she thought Brett was cheating on her, but he was actually hanging out with Luke. When Emma found out, she was upset. So Luke sacrificed him and Brett's friendship for Emma's happiness. To return the favor, Emma broke up with him. But after a disagreement on sports teams, Luke and Brett's friendship ended.