In 1971-72 New York, John Lennon and Yoko Ono took a unique approach to making the world a better place. They spent 18 months in an apartment in Greenwich Village meeting with kindred spirits and watching lots of TV—which Lennon called “a window on the world.” Their apartment was recreated for this film, so it feels like we are sitting next to Lennon and Ono watching TV, fast f...