Another 12 performers take the stage live to vie for America's votes.

After getting a taste of the superhero life, Mike pleads with Pat to let him join the team. Elsewhere, after seeking help from Thunderbolt, the JSA prepare for a confrontation with The Shade.

As Supergirl and Zor-El make their return to National City, they are determined to keep the Phantom Zone behind them and enjoy being superheroes together. Unfortunately, their overzealous efforts backfire, creating a whole new threat to National City.

Nancy and Richard try to figure out what happened to Barry, Sharon receives devastating news, Jason secretly follows a White House employee home, and Lilly confronts Bobby about the photos.

The Camarilla brings the fight to Fort Salem. Raelle, Abigail, Tally and their allies are forced to make impossible, world-changing choices.

Flamboyant, eccentric Eileen wants to spend time with her estranged daughter and her family, but they refuse to see her. Meanwhile, disillusioned physics professor Charles wants to know if there is something more out there.

An Arctic storm blasts the fleet as Sig ventures to deep waters he hasn't fished in 17 years. Johnathan steers the Time Bandit into 30-foot waves in a hail Mary run toward Russia. Captain Keith attempts a risky maneuver to save the Wizard's pots.

The remaining five duos are split and must build land creatures and creations inspired by the sea.

When instagramer Diamond laid eyes on YouTube star Steve, she knew they were a match made in influencer heaven. Now a year into a steamy romance with Steve, Diamond turns to Nev and Kamie for help to uncover why Steve won't meet up.

David has a new plan for the Ville, which ends his arrangement with Joe Padilla. Plus, Trenise returns home, and JG and Shella share a charged moment. Finally, David has an emotional moment with his younger self.

The Cowboys are welcomed back in Dallas as they prepare for action on their home turf. Plus, the rookies learn valuable lessons from the team's top veterans.

Benny tries to become a hero to a Native American tribe.

Jimmy welcomes actor Andy Samberg and a musical performance by Andrea Bocelli.

With Gabi out of town and Sam at his poker game, Bobby and Elena throw a party.

Ji-Yoon visits Pembroke's new lecturer as Bill joins in on a Korean tradition. The tenured professors band together, and Yaz receives an enticing offer.

When a seven-year-old boy goes missing in the outback, it's a race against time to find him as the RFDS is called to help his injured father.