Batwoman were in the last leg of production of their 2019-2020 seasons. Then came an abrupt halt, as television productions around the world shut down due to the COVID 19 pandemic. Arrowverse shows were hard hit with several still needing to complete multiple episodes to bring their stories to a close. Producers, writers, and editors scrambled to present viable season finales to the network from the footage they had completed filming.
Superman & Lois series similarly experienced a delayed start for production, resulting in anticipated scheduling setbacks, which mean the show will have an extended hiatus in spring 2021.
In 2020, the new season's stories gives Supergirl a smoother transition into its new story arcs than some of the other Arrowverse shows.
Supergirl kicks off its sixth and final season on March 30, stepping into the Superman & Lois Tuesday timeslot for seven episodes. Unlike Flash and Batwoman, whose new seasons began with multiple episodes to wrap up old stories, necessitating fans go back and play catch up. Supergirl’s season premiere will have the Girl of Steel wrapping up the season 5 Lex Luthor and Leviathan conflict and reveal Brainiac 5's fate then immediately move to its season 6 focus. Fans will delight in having to wait briefly for the resolution of season 5’s finale surprises and not having to watch multiple episodes to find out how the story ends.
The released first episode synopsis, "Rebirth" reveals the premiere involves Supergirl fans have a silver lining in that they won’t have to wait months or even multiple episodes to find out their heroine’s fate.