8/14. Animated series. When the Riders uncover the location of Viggo's dragon auction, they must stop him from selling dragons and stealing all the gold in Berk. [S]
7/14. Animated series. Astrid comes down with the scourge of Odin and the Riders must search for the cure by finding a nearly extinct buffalord dragon before Viggo does. [S]
4/14. Animated series. Stoick, Hiccup and Snotlout search for Spitelout when he goes missing, and ultimately find him on a distant island battling a fiery singetail dragon. [S]
A huge storm hits Dragon's Edge, causing the Dragons to spook and run off. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about the great Earth tradition of pets.
The twins journey to the Northern Markets to fix their prized mace. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about the earthlings' love of singing.
Hiccup and Fishlegs must go into a dangerous volcano with the eruptodon's egg. Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about the concept of charity.
Hiccup and the Riders, with help from Dagur, hatch a plan to steal Berk's... [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about how Earthlings like to be healthy and keep fit.
During the week of the midnight sun, Hiccup must deal with sleep deprivation. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about bullying.
Viggo gets angry at the dragon riders continually interfering with his business. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about all things spooky!
Mala and the Defenders of the Wing find a mysterious stranger who looks like Dagur. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about the greatest Earthling thing ever - CBBC!
When Snotlout messes up, he must learn to be a leader and earn the trust of the others. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about what poetry is to Earthlings.
When Viggo puts a bounty on Hiccup's head, Toothless and the Riders must rescue him. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about how Earthlings love baking.
Hiccup, Mala, Astrid, Fishlegs and Snotlout go searching for the now captured Eruptodon. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to the Zog about how earthlings like to dance.
A local island tribe believe the riders have stolen their protector dragon. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about school.
When Dagur comes to Dragon's Edge looking for Heather, Hiccup tries to keep them apart. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report back to Zog about how earthlings celebrate birthdays.
A distant cousin of the twins named Gruffnut arrives on Dragon's Edge. Followed by Zig & Zag's Zogcasts; Zig and Zag report from planet Earth about the Olympic Games.
Hiccup and Toothless are captured and must escape the Dragon Fighting Arena. [S] Followed by Zig & Zag's Zogcasts; Zig and Zag report to Planet Zog about books and their uses on Earth.
Astrid comes down with the scourge of Odin and the Riders must search... Followed by Zig & Zag's Zogcasts; Zig and Zag try to come up with a coo-el, music-ey music way of celebrating BBC Music Day.
Animated series. When Heather and Windshear land on Dragon's Edge, they quickly discover that Windshear doesn't play well with others. [S] Followed by Odd Tubes; Olympia celebrates her 20th video.
Animated series. The Riders head to a tropical island for fun in the sun, not realising it is infested with grimora leeches. [S] Followed by Odd Tubes; Olympia takes viewers on a tour of the tubes.
Fishlegs discovers a hidden civilization of albino night terrors beneath Dragon's Edge. [S] Followed by Odd Tubes; With Olympia out sick, her partner Otis steps in.
Animated series. A dangerous subterranean cavern crasher dragon invades the fireworm queen's underground nest. [S] Followed by Odd Tubes; Oona fills in for Olympia and unboxes a gift.
Hiccup is shot down on a remote island while searching for Viggo and the Dragon Hunters. [S] Followed by New: Odd Tubes; Olympia share little known odd facts about headquarters.
Animated series. When they learn the dragon hunters are tracking the Flightmare, Hiccup and Astrid race to stop them. [S] Followed by New: Odd Tubes; Olympia gives a tour of the Odd Squad Trophy Room.
The Skrill returns with a vendetta against Hiccup and Toothless. Followed by New: Odd Tubes; Olympia interviews agent Olo who recounts her life as a dust ball.
Animated series. When a new dragon is found in Edge Cove, the dragon riders must help it escape a group of hungry scauldrons. Followed by New: Odd Tubes; Olympia interviews her hero on the phone.
Hiccup, Snotlout and Johann discover an island full of wounded dragons. [S] Followed by Odd Tubes; Olympia visits Ocean and gets a tour of the Creature Room.
It's up to Astrid and Tuffnut to defend Dragon's Edge from an invading dragon hunter army. Followed by Odd Tubes; Coach O fills in for Olympia and counts down his Top 10 Life Tips.
Determined to create a key to the Dragon Eye, Ryker heads to Glacier Island. Followed by Odd Tubes; Olympia sings a song to show how she remembers everyone's name at Odd Squad.
Animated series. After Hiccup and Toothless save Barf and Belch's life, the grateful Zippleback tries to repay its life debt. Followed by Odd Tubes; Olympia answers questions sent in by viewers.
After a strange creature bites Tuffnut, he believes he'll turn into a legendary dragon. [S] Followed by New: Odd Tubes; Olympia tells us all about her favorite animal.
Hiccup and Snotlout race to rescue the others from Ryker and the dragon hunters. [S] Followed by New: Odd Tubes; Olympia shows viewers how to solve an odd problem.
After Dagur attacks Berk, Astrid trains a crew of back-up dragon riders to battle back. Followed by New: Odd Tubes; Olympia answers an age-old question with a song.
When Hookfang is drawn to a female monstrous nightmare, Snotlout tries to break them up. Followed by New: Odd Tubes; Olympia intros her new show and counts down 19 (odd) facts about herself.
16/20. Animation based on How to Train Your Dragon. Toothless's tail is damaged, and Hiccup and Snotlout have to work together to return home before they are captured.
Animated series. The Dragon Riders are surprised to discover who is behind recent attacks on nearby ships, and to learn exactly what the ships are. [S]
15/20. Animation based on How to Train Your Dragon. Toothless meets an old rival. Blinded by their grudge against each other, he runs away to confront the rival alone. [S]
14/20. Animation based on How to Train Your Dragon. When lightning hits Berk, Mildew claims Thor is angry at the village for allowing Toothless to live among them. [S]
26/14. An extremely powerful new dragon attacks Dragon's Edge, and Hiccup makes a dangerous alliance while the fate of the Dragon Eye hangs in the balance. [S]
25/14. Hiccup doesn't know who to trust when Viggo and Ryker each tell him that the other has gone rogue, and is sidetracked when a new dragon attacks. [S]
1/14. Animated series. After Hiccup is shot down on a remote island while searching for Viggo and the Dragon Hunters, he questions Dagur's intentions to rescue him. [S]