Already having a hard time adjusting at his new school, things take a turn for the bizarre for eleven year old Felix when he accidentally shrinks his strict principal to only fifteen centimetres in height!
Help, I Shrunk My Teacher is a 2015 German children's film directed by Sven Unterwaldt. It is based on the 2007 children's book Hilfe, ich hab meine Lehrerin geschrumpft by Sabine Ludwig. the film stars Oskar Keymer and Lina Hüesker along with Anja Kling, Axel Stein, Justus von Dohnányi and Otto Waalkes.