The document provides a textual analysis of Katy Perry's music video for "Last Friday Night (T.G.I.F)". It opens with Katy in her bedroom after a teenage party, surrounded by passed out friends. The video depicts American high school stereotypes like jocks and outsiders. It references 1980s/90s culture through fashions and a cameo from band Hanson. The video was a commercial success and helped promote Katy Perry's album.