Supergirl and team must stop Nyxly from vanquishing a familiar face from Supergirl's past - Mr. Mxyzptlk. Mxy returns and explains Nyxly's dark history to the super team in the best way he knows how - in song form. Meanwhile, Lena visits her mother's birthplace in Newfoundland, eager to dig into her past but is shocked by the small town's icy reception towards her.
- Directed by
- Glen Winter
- Written by
- Rob Wright, Elle Lipson, Chandler Smidt
Guest stars
All episodes — Season 6
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S6 E1Rebirth
Mar 30, 20216.143 min
As Brainiac lays close to death after trying to stop Lex, Supergirl and team soar in to save him, engaging in an epic battle with Gamemnae. After beating Leviathan, Supergirl turns her attention to Lex who has used the Obsidian platform to
S6 E2A Few Good Women
Apr 6, 20215.343 min
As the stakes with Lex are raised higher than ever before, Lena must decide how far she is willing to go to stop her brother. Meanwhile, Supergirl and the team are faced with a challenge unlike anything they've ever dealt with before and it
S6 E3Phantom Menaces
Apr 13, 20215.542 min
Supergirl makes a new ally. Lena and Lex battle for control of Luthor Corp.
S6 E4Lost Souls
Apr 20, 20215.542 min
Supergirl finds an opportunity to escape from the Phantom Zone but it comes with some dangerous strings attached. Meanwhile, Lena joins the Super Friends on a mission but finds she disagrees with their plan of action against the Phantoms an
S6 E5Prom Night! (1)
Apr 27, 20215.642 min
Nia and Brainy attempt to save Supergirl from the Phantom Zone by time traveling back to Kara's home in 2009. While determined to secure the item needed to help Supergirl, Brainy is worried about keeping a low profile so as not to alter the
S6 E6Prom Again! (2)
May 4, 20215.842 min
Part two of the flashback episodes pick up where things left off - Young Kara experiences kryptonite for the first time, Nia and Brainy are trapped by invading aliens, and a young Cat Grant may be the reason Supergirl never gets out of the