In this ESL lesson plan for adults and teens, students watch a scene from the TV series Friends and do a listening exercise about an awful mistake Joey made one time with a girlfriend. It includes discussion questions and conversation activities about making mistakes and dating. Students also learn some important vocabulary terms and phrases from the video. The post-viewing section includes activities on video quotes, adjectives, prepositions, and the past simple. The grammar activity features superlative adjectives used with the present perfect simple. There are additional speaking tasks included, as well as a quiz and review section.