The Park family are in the airport on their way home from Hawaii when their flight is delayed for several hours. Ken has an interaction with Dr. Oz that goes awry - and then needs to get the famous TV doctor to switch airplane seats with him. Meanwhile, Allison gets overly involved in Molly's love life and accidentally breaks up with her boyfriend via text message, and Dave finds himself in a high-stakes card game with some college students. Back at Welltopia, it's "Black Monday," the clinic's busiest day of the year, and in Ken's absence, Julie is the doctor in charge, and Clark and Damona have to help her learn that thoroughness doesn't have to take forever.
As Tim M. Betts, the new chairman of Muscle Maker Grill, goes undercover, Rod Silva, the high-energy founder of the company, secretly gives Betts ongoing commentary as he observes the action via a live video feed.
A young boy takes his mother's place in a group of gemstone-based beings, and must learn to control his powers.
Seika Groves gets more than she bargained for when she brings home an antique washstand, an evil spirit attaches itself to all those it encounters and Tammy Dean accidentally summons demonic beings into her home.
When chosen to be hypnotised by Dr. Daze, Mr. Bean turns into a dog, a dancer and a hopeless romantic.
An inmate in a West Virginia jail finds love in a hopeless place with a guard, but their love comes at a tragic cost.
Ashley to Alton On the last leg of his journey through north west England, Michael makes a clean sweep in Ashley, where, in Victorian times, the new middle classes set up home in suburban villas with multiple chimneys, swept by children. In Macclesfield, Michael finds the end of the Silk Route and tries his hand at screen printing. After stoking the fire on the steam-powered Churnet Valley Railway, Michael alights at Froghall for Alton Towers, to trace the 19th-century origins of the modern theme park.
As Deok-sun and the boys ponder their futures, the parents discuss their own bygone dreams. Meanwhile, Taek dreams of something sweeter.
Hiccup and Astrid race to stop the Dragon Hunters from tracking the Flightmare after Heather spills secrets from Viggo Grimborn.
After Heather and the Flightmare have been captured by Viggo and the Dragon Hunters, Hiccup must hatch a plan to outwit the dangerous new enemy.
The Skrill returns with a vendetta against Hiccup and Toothless. Hiccup and the Riders must choose a new course of action to stop the vicious dragon.
After a strange creature bites Tuffnut, he believes he'll turn into a legendary Lycanwing dragon when the moon is full. Can his friends save him?
When Ruffnut is captured by Dragon Hunters, it's up to Astrid and Tuffnut to defend Dragon's Edge from the invading Dragon Hunter army.
As Hiccup and Snotlout race to rescue the others from the Dragon Hunters, they don't realize that someone close to them is working with the enemy.
When a new tidal class dragon, the Sea Shocker, is found in Edge Cove, the riders must help it escape a group of hungry Scauldrons and reunite it with its migrating pod.
Unaware of the war on Dragon's Edge, Hiccup, Snotlout and Johann discover an island full of dragons that have been wounded by the Dragon Hunters.
Ryker is determined to create a key to the Dragon Eye, so he heads to Glacier Island to find the Snow Wraith that the Dragon Riders are protecting.
After Hiccup and Toothless heroically save Barf and Belch, the grateful Zippleback tries to repay its life debt by abandoning riders Ruff and Tuff.