When does Crazy Ex-Girlfriend return?

Crazy Ex-Girlfriend is an American romantic musical comedy-drama television series. It premiered on October 12, 2015, on The CW and ran for four seasons, ending on April 5, 2019. The series stars Rachel Bloom in the lead role as Rebecca Bunch, a lawyer who moves from New York City to West Covina, California, to pursue her ex-boyfriend from high-school summer camp.