For those who watched the film and wondered, “How does a village go from burning dragons to racing them?” — this season is the answer. It fills in the emotional and practical gaps, showing the trials, errors, and small victories behind the utopia seen in the second film.
Moreover, the series introduces dragons and villains never seen in the movies, expanding the lore of the How to Train Your Dragon universe without contradicting established canon.
Dagur the Deranged arrives on Berk under a false truce. He attempts to assassinate Stoick and steal Toothless. This episode sets up Dagur as a major recurring villain.
| Ep | Portuguese Title | English Title | Key Event | |----|----------------|---------------|------------| | 1 | Como Treinar Seu Dragão (Partes 1 & 2) | How to Start a Dragon Academy | Berk creates the first dragon training academy. | | 2 | Vikings Assustados | Viking Scare | A mysterious dragon terrifies the village at night. | | 3 | Animais de Estimação Perigosos | Animal House | The teens must prove dragons can be useful. | | 4 | O Dia dos Terríveis | The Terrible Twos | Baby dragons (Terríveis) cause chaos. | | 5 | Noite de Fúria em Berk | In Dragons We Trust | Someone sabotages the dragon/viking trust. | | 6 | Os Caçadores de Dragões | Alvin and the Outcasts | Introduction of Alvin, leader of the Outcasts. | | 7 | Como Mudar um Viking | How to Pick Your Dragon | A dragon competition reveals hidden talents. | | 8 | O Velho e a Fúria | Old Dog, New Tricks | Stoick tries to bond with a dragon. | | 9 | A Ira do Trovão | The Whispering Death | First appearance of the terrifying Whispering Death. | | 10 | Um Tiro no Escuro | Scared of Heights | Hiccup must overcome a fear of heights. | | 11 | O Inimigo Interno | The Night and the Fury | A rogue dragon attacks Berk at night. | | 12 | Dia de Caça | The Eel Effect | Eels (venomous to dragons) become a weapon. | | 13 | O Segredo de Perna de Peixe | The Terrible Twos, Part 2 | More baby dragon chaos. | | 14 | O Fogo Interior | The Egg | A dragon egg causes a family dispute. | | 15 | O Poder do Raio | The Furious | A storm-powered dragon threatens the island. | | 16 | O Ataque dos Caçadores | Alvin and the Outcasts (Part 2) | Alvin attacks Berk directly. | | 17 | O Último Voo | When Lightning Strikes | Hiccup loses Toothless’s trust temporarily. | | 18 | O Olho do Dragão | The Eye of the Dragon (Part 1) | Introduction of the Dragon Eye artifact. | | 19 | O Segredo do Dragão | The Eye of the Dragon (Part 2) | Hiccup uncovers secrets about dragon species. | | 20 | Adeus, Berk? | The Iron Viking | Season finale — Stoick’s leadership is tested. |
Note: Episode order may vary slightly depending on streaming service or DVD release.