“Crazy Ex-Girlfriend: Oh My God I Think It’s Over” is a peek behind the curtain as the team behind the award-winning comedy series “Crazy Ex-Girlfriend” wraps up its final season. We watch as co-creators Rachel Bloom and Aline Brosh McKenna and their many talented collaborators steer the show through its final episode. The film highlights their unique process as they juggle writing, songwriting, choreography on a spinning turntable, last minute big ideas and emergencies, and the “impossible task...