Two and a Half Men Season 5 Episode 6

Alan refuses to let a 17 year-old mate drive Jake to a rock concert. Yet Judith takes their kid's side, which inspires him to sneak out the window. Alan is angry his bedmate judge Linda didn't tell him about a political award diner, so he gets invited to attend her big day. Alas, ma accidentally slips him not a tranquilizer but a hallucinogen. It becomes a weird night for everyone, including Jake, whom he tries to help sneaking back in, and Alan who catches them.