Supergirl (Melissa Benoist) and the DEO captured Julia Freeman (Krys Marshall), one of the Worldkillers known as Purity, on the latest episode of Supergirl.
Arriving at her home, they found Julia to be a seemingly normal woman but she soon transformed into Purity and tried to attack them. Taking her into custody, Kara and Alex (Chyler Leigh) quickly realised that all of the Worldkillers have two personalities meaning that Reign (Odette Annable) was also someone who would likely appear normal.
Purity escaped and Reign took her to the Fortress of Sanctuary to complete her transformation into Purity.
Meanwhile Sam took some time off to spend with her daughter. She turned into Reign during their day out and disappeared leaving Ruby (Emma Tremblay) on her own. Ruby called Lena (Katie McGrath) to pick her up and Sam was furious when she discovered Lena had told Ruby about her blackouts.
Elsewhere Mon-El (Chris Wood) worked on repairing the Legion’s ship and he told J’onn (David Harewood) that he was still in love with Kara. Imra (Amy Jackson) revealed to Mon-El that she had a secret agenda on their mission.
The next episode of the season is Schott Through the Heart. A copycat Toyman strikes, forcing Winn to team up with his estranged mum (Laurie Metcalf).
Tune in to Sky 1 HD at 8pm on Monday to see the episode. Preview it with our gallery below: