Viewers will be able to continue following Muphy’s unique life. The CW has renewed the In the Dark drama series for a fourth season which will air as part of the 2021-22 television season (September 2021 through August 2022). The third season will air at some point during the current 2020-21 season. It’s unclear how many episodes will be in either season but the show typically gets 13 installment orders.