S1 E1: How to Start a Dragon Academy

S1 E2: Viking for Hire

S1 E3: Animal House

S1 E4: The Terrible Twos

S1 E5: In Dragons We Trust

S1 E6: Alvin and the Outcasts

S1 E7: How to Pick Your Dragon

S1 E8: Portrait of Hiccup as a Buff Man

S1 E9: Dragon Flower

S1 E10: Heather Report, Part 1

S1 E11: Heather Report, Part 2

S1 E12: Thawfest

S1 E13: When Lightning Strikes

S1 E14: What Flies Beneath

S1 E15: Twinsanity

S1 E16: Defiant One

S1 E17: Breakneck Bog

S1 E18: Gem of a Different Color

S1 E19: We Are Family, Part 1

S1 E20: We Are Family, Part 2