After his underwear is stuck too tight, Uncle Grandpa calls upon the aid of HIS Uncle Grandpa, when that Uncle Grandpa fails, his Uncle Grandpa arrives, and things get out of control.
Don Wildman showcases a piece of top-secret military equipment developed by the first celebrity chef, a ghost that terrorized a popular music venue and a father-son duo who rode the tallest wave in the world.
Rapper Big Baby D.R.A.M. joins Rob, Chanel, and Steelo to get into some "Bad Brocolli," learn how to speak "Unclish" and fend off a few "Urban Predators."
On a special episode of Major Key-diculousness, DJ Khaled teaches Rob, Chanel and Sterling how to be "Grateful," how to avoid "They" and how to get "Lost at Ski."
Rapper Post Malone joins Rob, Chanel, and Steelo to ball with some "Really White Iversons," get messy with the category "Saucin' on You" and show off some "Knuckle Tats."
The comic mash-up, hosted by Jimmy Carr. Jon Richardson and Joe Lycett take on Sean Lock and Michelle Wolf, while Adam Riches is in Dictionary Corner.
When Mia insists on mounting Raven for a photo shoot, Zoe must calm the wild horse so he can be saddled. Rosie snoops in her mom's childhood diary.
To investigate her suspicions, Zoe defies her mom and sneaks off to the stables, where she has her first riding lesson and catches Pin red-handed.
When her sister Rosie goes missing after arriving at their grandfather's home, Zoe scours the area, meets some locals and has a scary encounter.
When Pin refuses to tell Zoe why he was stealing from the medical cabinet, she follows him home and finds out. Mia learns Zoe is not allowed to ride.
Mia invites Rosie to a sleepover. Zoe and her friends find an engraved riding crop that may have been left behind by the horse thief.
Georgina is informed that Constantine's dealings are under investigation by Interpol, while Irina makes a deal with a prominent figure in the Riviera underworld.
Alex and Maggie work together to deliver a baby. Charlie treats a magician.
Zoe learns why her mom forbade her from riding. Jade uncovers a secret about Raven's past. Becky proves to Ben that horses are better than quad bikes.
A huge fallout results from the video of Maddie and the police officer. Deacon and Avery fall in love with Hallie's special sound. Zach continues to exert his influence on Highway 65.
Zoe learns more about Raven's mysterious origins. After finding what may be the real horse behind the ghost pony legend, Rosie realizes who "E" is.
Mia sabotages Zoe's plans for the barn dance. Becky sets a trap for the ghost pony, but she and her friends catch a suspected horse thief instead!
Ben helps Rosie trick her dad into calling her mom. While leading the kids on an islandwide search on horseback for Raven, Zoe has it out with Mia.