Seasons
Season 1 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | How to Start a Dragon Academy | 7.6 | 472 |
| 2 | Viking for Hire | 7.3 | 384 |
| 3 | Animal House | 7.8 | 379 |
| 4 | The Terrible Twos | 7.2 | 344 |
| 5 | In Dragons We Trust | 7.5 | 334 |
| 6 | Alvin and the Outcasts | 7.7 | 326 |
| 7 | How to Pick Your Dragon | 8.0 | 326 |
| 8 | Portrait of Hiccup as a Buff Man | 8.0 | 331 |
| 9 | Dragon Flower | 7.4 | 303 |
| 10 | Heather Report: Part 1 | 7.8 | 317 |
| 11 | Heather Report: Part 2 | 7.7 | 303 |
| 12 | Thawfest | 7.4 | 299 |
| 13 | When Lightning Strikes | 7.5 | 296 |
| 14 | What Flies Beneath | 7.7 | 280 |
| 15 | Twinsanity | 7.6 | 274 |
| 16 | Defiant One | 7.4 | 273 |
| 17 | Breakneck Bog | 7.7 | 263 |
| 18 | Gem of a Different Color | 7.6 | 261 |
| 19 | We Are Family: Part 1 | 7.9 | 264 |
| 20 | We Are Family: Part 2 | 8.0 | 271 |
Season 2 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Live and Let Fly | 7.7 | 253 |
| 2 | The Iron Gronckle | 7.5 | 230 |
| 3 | The Night and the Fury | 7.9 | 234 |
| 4 | Tunnel Vision | 7.9 | 236 |
| 5 | Race to Fireworm Island | 7.7 | 231 |
| 6 | Fright of Passage | 7.9 | 233 |
| 7 | Worst in Show | 7.4 | 220 |
| 8 | Appetite for Destruction | 7.7 | 217 |
| 9 | Zippleback Down | 7.4 | 214 |
| 10 | A View to a Skrill: Part 1 | 7.7 | 222 |
| 11 | A View to a Skrill: Part 2 | 7.6 | 218 |
| 12 | The Flight Stuff | 7.1 | 206 |
| 13 | Free Scauldy | 7.8 | 221 |
| 14 | Frozen | 7.6 | 219 |
| 15 | A Tale of Two Dragons | 7.4 | 209 |
| 16 | The Eel Effect | 7.6 | 209 |
| 17 | Smoke Gets in Your Eyes | 7.4 | 203 |
| 18 | Bing! Bam! Boom! | 7.8 | 207 |
| 19 | Cast Out: Part I | 8.2 | 214 |
| 20 | Cast Out: Part II | 8.5 | 231 |
