In this ESL lesson plan for adults and teens, students watch a short documentary about an "aurora hunter" who chases the northern lights as a profession. It includes discussion questions, conversation, and other activities about stars, stargazing, and science. Students learn some important vocabulary words, phrases, and expressions from the video. There is also a section on prepositions. The grammar activity features the difference between past simple and past continuous. There is a quiz and review with a bonus activity included.