Extra (stylized as "extr@") is a language education television programme franchise that was scripted in the format of a Friends-esque sitcom. It was in production from 2002 to 2004, and is mainly marketed to the instructional television market for middle school and high school language classes. Four versions were made, each in a different language; English, French, German, and Spanish.The English version was co-produced by Channel 4 Learning and RAI CPTO (Production Centre of Turin) for RAI Educational. All of the episodes were written by Louise Clover.