In "For The Girl Who Has Everything," the 13th episode of "Supergirl's" premiere season, a parasitic alien gives Kara her greatest desire: a world where Krypton was never destroyed. However, once Kara is down for the count, a new Kryptonian attack threatens Alex, Hank and the DEO.

"For The Girl Who Has Everything" -- Kara's friends must find a way to save her life when a parasitic alien attaches itself to her and traps her in a dream world where her family is alive and her home planet was never destroyed. Also, Alex, Hank and the DEO must fend off a Kryptonian attack while Kara is out of commission, on SUPERGIRL, Monday, Feb. 8 (8:00-9:00 PM, ET) on the CBS Television Network.

RELATED: Melissa Benoist Says Playing Supergirl Taught Her to Stand Up For Herself

"She's now going back to a place she remembers, as opposed to, geez, I always wanted this to be true. She's actually getting back everything that was taken away from her. The only way out of it is to reject it. Imagine how horrible that's going to be," executive producer Kreisberg said of the episode in a recent interview.

"Supergirl" airs Mondays at 8 pm EST on CBS. Developed by producers Greg Berlanti, Ali Adler and Andrew Kreisberg, the series stars Melissa Benoist, Calista Flockhart, David Harewood and Chyler Leigh.