As they prepare for a creature costume party, the Wild Kratts team begins to notice all sorts of strange things happening in the Tortuga HQ.
SAMCRO must put off an important vote to deal with an external threat.
Mike feels let down when his daughters aren't into celebrating Halloween with him the way they used to. He decides that his two-year-old grandson, Boyd, can be his perfect trick or treat partner. But Kristin, Boyd's mother, adamantly tells him that she doesn't want her son to go out on Halloween. Mike sneaks him out -- with a plan to get the child home before Kristin gets back from work. When Mike, dressed as John Wayne from "The Green Berets," gets to Ed's house with Boyd, they are greeted at the door by Ed's lady friend, Elvira.
The NCIS team investigates the murder of a former Navy intelligence officer who had been living a double life and traveling overseas on false passports.
24-year-old Lorraine Laribo is dropped off at a bar by her sister's boyfriend, Anthony. It's the last time anyone would ever see her alive again. Detective Kenda must use his formidable interrogation skills to find her killer.
An NCIS case changes from accidental death to murder when evidence reveals that a Navy Lieutenant died of forced over-hydration.
David pushes Michael to explore his fear of heights, putting more strain on their relationship. Michael forces himself to read David's book.
Julio's investigation into the death of his sister Cristina turns around after a serious incident. Aided by Alicia, the young man will have to check his belongings for a test that will guide him to the murderer. Meanwhile, Ayala is convinced that Pascual is the murderer, so he allows Javier to get out of jail and return to the hotel. The young Alarcón has managed to get rid of his problems once more, but the tranquility does not last long. Sofia and Alfredo also get things upset. The marquis wants to organize a hunt at the hotel to gather the great aristocrats. But Diego is not willing for Alfredo to take any merit.
Shiny gets over her fear of snakes when Tiny challenges the Nature Trackers to meet the ultimate snake: the Sanajeh, a huge Cretaceous snake from what is now India. Dad takes the kids on the Dinosaur Train to find Sana Sanajeh, who may be huge, but turns out to be quite friendly. Once Shiny and Sana become friends, Shiny returns home with the knowledge that snakes aren’t scary – they’re just another part of nature!
Carrie and Al’s investigation into the murder of a hard-partying heiress takes an unexpected turn when they discover that the woman apparently didn’t exist until 18 months earlier.
Sidney Sinovenator shows the Pteranodon family his favorite stargazing spot
When 15-year old Julie finds an old LP record and plays it, three musical ghosts are released who become part of the girl's life.
Walden receives divorce papers from Bridget, but forgets his depression when he meets a girl who looks eerily like her.
While doing some investigative work at a New York mansion, a prominent ghost hunter is murdered. Castle and Beckett must figure out if paranormal activities are to blame.
When Brad and his friends abandon Kick and Gunther in the woods, they discover an abandoned amusement park that may be haunted by the ghost...of Dead Man Dave.
Kick (who is also joined by Gunther) going to Kendall's party, but Kick is bored and he is challenged Kendall to trick or treat at a house no one has ever gone to: the super creepy and "Haunted" Van Der Deth Mansion. Kick reaches out to all his friends of the party because Kendall got bored everyone (including her boyfriend Ronaldo).
When another plague of Candy Zombies arises and Princess Bubblegum is among the undead, Finn and his friends are in a race against time to figure out how to stop it...without making things even worse!
Bert Large's restaurant business is financial trouble. He can't even afford the food and drink for a charity event to raise money for Florence Dingle's cat sanctuary. Mrs Dingle is distraught. She desperately needs the money to continue to look after the cats and kittens in her care. Bert is also being chased by loan sharks Alastair Tonken and his son Norman for the repayment of £1,000 they gave him to clear his debts, warning of repercussions if he doesn't pay up.
The Degrassi students return from a summer of activities a week before the new school year. Jake and Clare are still not talking, and their parents wedding sends Jake looking for space away from Clare. Katie is concerned that Bianca has been spending too much time with Drew, and Alli returns to Dave to find out he has cheated on her. Jake invites Katie, Drew, Marisol, and Alli to his remote cabin for a summer ending event, when Clare finds out, Bianca agrees to drive her. Clare arrives to find Alli kissing Jake, and runs into the woods, Jake and Drew follow, but Eli finds her first. Marisol freaks out when strange things start to happen, and Bianca keeps making references to horror movies. Marisol and Katie decide to relax with some weed Marisol found in the couch, but the two become paranoid in a shed. When repairing Clare's wound, Jake admits he still has feelings to her, the night ends with Clare and Jake's parents checking in on the party. The following morning Clare and Alli separate as friends, Katie becomes more comfortable with Bianca around, and Clare's and Jake's flirtation returns.