1x05 Dare Devil

As Serena and Dan prepare for their first official date, the latter finds himself making extensive plans to impress her while Jenny is invited to a sleepover at Blair Waldorf's home and finds herself embroiled in an intense game of truth or dare. Meanwhile, Erik goes missing from his treatment center and Lily seeks Rufus's help in finding him. Nate and Chuck do not appear in this episode, as they were said to be elsewhere.