Lady Catrina has now been crowned and is now known as Queen Catrina. She accuses Merlin of stealing and he is driven into hiding, and must now find a way to expose her true form.
The SRU are called in to resolve a gas station robbery but discover it’s connected to a deadly crisis on a cult compound.
Oliver tries to help a young street girl, Mia AKA Speedy, get out of her dangerous life by offering to train her, but Mia double crosses him. Lois asks Clark to help her land a job as an on-air television host, but the two are shocked when the station wants to hire them as a team.
Bernard becomes the target of a dangerous website that is partly responsible for a homicide the detectives are investigating
Monk reluctantly adopts a dog while looking into the suspicious disappearance of its owner.
Neal and Peter infiltrate New York's Fashion Week to stop a security data which is woven in the fabric of a model's dress, from being sold by a criminal.
Gavin discovers that Troy is apparently cheating on him. The Oracle's tall tales get him in trouble with the police. Diana comes to help her recently conned son Martin but only succeeds in making him feel much, much worse. Mel and Madge end up taking to the stage at The Benidorm Palace.
The Headless Horseman from the Legend of Sleepy Hollow is haunting Melinda and when the legendary book mysteriously shows up at Aiden's school Melinda becomes worried for Aiden's safety.
The team investigates a decommissioned air base after a woman is found dead there, but their investigation is interrupted by paranormal happenings.
To get more interest in the cafe, Zane develops a dirt bike race. However, Rikki finds out that it is a scam. She and Bella decide to team up to teach him a lesson. Meanwhile, Lewis and Cleo find out something interesting about mixing the waters in the Moon Pool
Sophie can't stop thinking about her night with Avi; Maya and D's relationship grows stronger as they continue to train; Andre continues to see Bella despite Cassia's obvious disapproval of their relationship
Ben visits his ex-wife (Peggy Lipton) and her husband (Keith Carradine) and stumbles into a crisis of desperation. Inez is romanced by a new man, while Jimmy ends up in a violent conflict.
The Doctor arrives to join the battle, but is he too late to save both Sarah Jane and the Earth itself?
Betty has Marc as be her temporary assistant thanks to Wilhelmina. Betty ends up covering the worst jobs in New York as an assignment but she needs to dress up as a hot dog and perform a Bollywood style dance. Marc has insecurities about how his idol at Vogue magazine will perceive him. Daniel is targeted by the leader of the Community.
A superhero is trapped by Magnus, and his lack of finesse affects the team's work. Elsewhere, Will and Declan go on the search for a creature that's loose in the city, after the discovery of an eggshell.
The Battle of the Bulge saw Hitler take his last great gamble, throwing his reserve forces against the oncoming Allies in the Ardennes.
Justin is taking his Monster Hunting Course and finds out that Juliet and her vampire family are the monsters he has been looking for!
Debra and Tracy are pushover parents with two sets of twins, ages four and seven, who call all the shots and eat a diet packed with sugar and unhealthy food choices. Four-year-old Parker calls Mom a "butthead" with no consequences; Debra hides in the bathroom to eat a meal and get a moment's peace. Dad Tracy works from home, and when his rambunctious children need disciplining, he meekly implores them not to misbehave. They respond by locking him out of their bedroom!