The New Adventures of Old Christine - Season 5 - Eps 16: Subway, Somehow
In an attempt to teach Ritchie's class some street smarts, Christine encourages the school administration to let them take the subway on a field trip, but she ends up being stranded at the station when the trains leaves without her.
About The New Adventures of Old Christine

Title: The New Adventures of Old Christine
First Air Date: 2006-03-13
Last Air Date: 2010-05-12
Status: Canceled
Rating: 6.944/10 (from 90 votes)
Language: EN
Seasons: 6
Total Episodes: 88
Network: CBS
Genres: Comedy
Production Companies: Kari's Logo Here, Warner Bros. Television
Synopsis
Single working mom Christine Campbell has just learned that her ex is dating a much younger woman with the same first name. To avoid any confusion, the new girlfriend is dubbed New Christine, which leaves her with the unfortunate nickname Old Christine.
Cast

Julia Louis-Dreyfus
'Old' Christine Campbell

Clark Gregg
Richard Campbell

Hamish Linklater
Matthew Kimble

Trevor Gagnon
Ritchie Campbell

Emily Rutherfurd
'New' Christine Hunter

Tricia O'Kelley
Marly Ehrhardt

Alex Kapp
Lindsay

Wanda Sykes
Barb Baran