Supergirl returns to The CW for Season 5 on Sunday, October 6 at 9 p.m. ET, immediately following the series premiere of Batwoman.
You still have time to catch up on or re-watch Season 4 on DVD or Blu-ray!
The “Elseworlds” crossover introduced new elements to the Arrow-verse that will be very relevant when the upcoming “Crisis on Infinite Earths” crossover changes everything, including in at least one “devastating” way, so Supergirl Season 4 definitely be worth a rewatch.