Can Sam and Dean catch Rowena in "Supernatural" season 10, episode 7 airing tonight? Find out where to watch the episode, titled "Girls, Girls, Girls," via a CW live stream online free here!

If you can't make it to a TV by 9pm EST tonight to catch "Supernatural" season 10, episode 7 click here or here to watch online via a free live stream of the CW.

If that doesn't work, the CW also offers episodes on their website to watch online after an episode airs.

The synopsis for tonight's episode, titled "Girls, Girls, Girls," reads: "ROWENA REAPPEARS - Sam (Jared Padalecki) and Dean (Jensen Ackles) stumble upon a demon who is running from Crowley (Mark A. Sheppard). Before they have a chance to shut him down, Rowena (guest star Ruth Connell) steps in and takes things into her own hands. Realizing Rowena is trying to recruit and train followers in the art of witchcraft, Sam and Dean come up with a plan to catch her before she can do much damage. Meanwhile, Hannah (guest star Erica Carroll) runs into a blast from her vessel's past, which complicates things for her and Castiel (Misha Collins)."

Are you excited for Rowena's return?

Watch the promo video below!

As we previously reported via Hypable, the "Supernatural" season 10 synopsis reads: "Season 10 begins with Sam's frantic search for his missing brother, who is gone without a trace. The road to recovering the wayward Dean takes Sam down dark paths, with consequences that will shake the boys to their core. Meanwhile, Castiel has to pick up the pieces in the aftermath of Metatron's campaign. With his grace failing and rogue angels still on the loose, Cass will face the ticking clock of his own mortality as all-new threats emerge to once again push all of our heroes to their limits."

Don't forget to tune in to watch the seventh episode of "Supernatural" season 10 at 9pm tonight on the CW!