4x11 - Everybody Hates Chris

When Rochelle orders a copy of her birth certificate, she realizes that she is actually one year younger than she thought she was and decides to start living her life with a new, younger attitude. After a complete stranger helps Chris to safety during a city-wide blackout, Chris decides to repay the older man by getting him out to meet new friends. Meanwhile, Greg feels like he has no identity after realizing that everyone at school knows him only as "Chris and Greg."