Tensions are rising following a shocking discovery. And living in a tank rather than the ocean is starting to have an adverse effect on many of the mermaids. Hoping to save her kind, and help her human circle, Ryn makes a deal with a complicated ally.
When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is in charge of the kids. Also, Sheldon finds a book on experimenting on kids, and the guys plus Amy make a day of it.
Spock and Burnham head to Talos IV, where the process of healing Spock forces the siblings to confront their troubled past. Stamets desperately tries to reconnect with Hugh, while Tyler struggles to shed the crew's suspicions of him due to his past as Voq.
Brooke finds that it's hard to date with a famous brother; Cary tries to befriend a group of Instagays to help his chances of getting a part in a new Ryan Murphy miniseries.
Ilana gets recruited to be a hair model; Abbi’s new flame tells her that she’s not mature enough.
After Gordon is shot in an attempt to establish a cease-fire, he hallucinates a trial for his life that could have deadly real consequences. Meanwhile, Ivy returns and puts her spell on Bruce, leaving Selina to defend herself. Lee has a life-changing moment as Barbara and Penguin consider their next moves.
James works hard to sell a home to singer Kelly Rowland. Josh Flagg gets creative to sell a Bel Air pad built for guitarist Robby Kreiger. Tracy lands a shot at representing a billion dollar development in Dubai, United Arab Emirates.
When Clem and Nick run into Nick’s ex-girlfriend at their hotel during a romantic weekend, Clem is upset to learn that Nick and his ex once lived together in the same apartment they live in now. Also, Shannon’s friend tries to persuade her to throw a big party while Clem and Nick are away.
Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin. Also, Mary and Connie secretly buy a pregnancy test when Mary thinks she's pregnant
Sam and Dean enlist the help of Rowena to track down a demi god who feasts on human flesh. The challenge of keeping Michael at bay is proving to be more difficult than originally anticipated.
In the aftermath of the windstorm, Andy and Sullivan’s fates remain unknown while trapped in the overturned aid car. Meanwhile, back at the station, the team confronts Jack about his well-being; and when it’s safe enough to venture out, they search for their fellow firefighters in a race against time.
The SWAT team tries to zero in on the next target of a carjacking ring that’s using deadly force to boost luxury vehicles all over Los Angeles. Also, Hondo takes a big step to help his childhood friend’s incarcerated son, Darryl, and SWAT team leader Mumford weighs a major decision.
Jake helps Amy navigate the complicated relationship she has with her brother, David. Charles introduces some drama into an undercover mission involving Terry and Holt.
The Knights plot to thwart Edward's plan by kidnapping his son. Gabrielle and the Hermetic Counselor interrogate Lilith.
As the Order prepares to conduct a dangerous, sinister spell, the Knights enlist Jack to sabotage their plans.
Consumed by ambition, Edward clashes with Vera -- and Alyssa is caught in the middle. Jack's brush with the Vade Maecum ignites a painful ordeal.
Jack learns he's been selected for a rival secret society. Later, he gets a lesson in magic -- and discovers that every spell has a price.