Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), Jeff Bennett (Ansson), David Faustino (Dagur), Michael Goldstrom (Trader Johann), Hakeem Kae-Kazim (Krogan), Alfred Molina (Viggo), Zack Pearlman (Snotlout), Andree Vermeulen (Ruffnut)
Additional Voices: Steve Alterman, Mitch Carter, Neil Dickson, Alan Shearman, Edie Mirman, Paula Jane Newman
Written By: Jack Thomas
Directed By: T.J. Sullivan
Ep: 107
No Bark, All Bite
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), Angela Bartys (Trader Lena), Chris Edgerly (Gobber), Hakeem Kae-Kazim (Krogan), Nolan North (Stoick), Zack Pearlman (Snotlout), James Arnold Taylor (Trader Zachariah), Andree Vermeulen (Ruffnut)
Additional Voices: Steve Alterman, Rajia Baroudi, Mitch Carter, Alastair Duncan, Jean Gilpin, Paula Jane Newman
Written By: Ian Rickett
Directed By: Robert Briggs
Ep: 108
Chain of Command
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), David Faustino (Dagur), Hakeem Kae-Kazim (Krogan), Holly Kagis (Minden), Adelaide Kane (Mala), Rose McIver (Atali), Zack Pearlman (Snotlout), Andree Vermeulen (Ruffnut)
Additional Voices: Steve Alterman, Mitch Carter, Alastair Duncan, Kyle T. Heffner, Paula Jane Newman, Peta Johnson
Written By: Will Morey
Directed By: Greg Rankin
Ep: 109
Loyal Order of Ingerman
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), Jeff Bennett (Cleve), Chris Edgerly (Gobber), Zack Pearlman (Snotlout), Andre Robinson (Brant), Emma Shannon (Brenda), Andree Vermeulen (Ruffnut)
Additional Voices: Steve Alterman, Mitch Carter, Neil Dickson, Alastair Duncan, Peter Falls, Paula Jane Newman
Written By: John Tellegen
Directed By: T.J. Sullivan
Ep: 110
A Gruff Separation
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut / Gruffnut), Zack Pearlman (Snotlout), Andree Vermeulen (Ruffnut / Agnut)
Written By: Will Morey
Directed By: Abe Brown
Ep: 111
Mi Amore Wing
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), David Faustino (Dagur), Hakeem Kae-Kazim (Krogan), Adelaide Kane (Mala), Zack Pearlman (Snotlout), Andree Vermeulen (Ruffnut)
Additional Voices: Steve Alterman, Mitch Carter, Alastair Duncan, Alan Shearman
Written By: John Tellegen
Directed By: Greg Rankin
Ep: 112
Ruff Transition
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), Hakeem Kae-Kazim (Krogan), Rose McIver (Atali), Zack Pearlman (Snotlout), Andree Vermeulen (Ruffnut)
Additional Voices: Steve Alterman, Mitch Carter, Julie Falls, Kyle T. Heffner, Peter Lavin, Joanna Leeds
Written By: John Tellegen
Directed By: Abe Brown
Ep: 113
Triple Cross
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), Michael Goldstrom (Trader Johann), Hakeem Kae-Kazim (Krogan), Alfred Molina (Viggo), Zack Pearlman (Snotlout), Andree Vermeulen (Ruffnut)
Additional Voices: Steve Alterman, Mitch Carter, Alastair Duncan, Peter Lavin, Alan Shearman
Written By: Will Morey
Directed By: Robert Briggs
Ep: 114
Family Matters
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), Zack Pearlman (Snotlout), Andree Vermeulen (Ruffnut)
Additional Voices: Steve Alterman, Mitch Carter, Alastair Duncan, Peter Lavin, Alan Shearman
Written By: Jack Thomas
Directed By: T.J. Sullivan
Ep: 115
Darkest Night
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), Chris Edgerly (Gobber), Michael Goldstrom (Trader Johann), Lucas Grabeel (Gustav), Nolan North (Stoick), Zack Pearlman (Snotlout), David Tennant (Spitelout), Andree Vermeulen (Ruffnut), Mae Whitman (Heather)
Additional Voices: Steve Alterman, Rajia Baroudi, Mitch Carter, Edie Mirman, Paula Jane Newman, Warren Sroka
Written By: Art Brown & Douglas Sloan
Directed By: Greg Rankin
Ep: 116
Guardians of Vanaheim
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), Michael Goldstrom (Trader Johann), Hakeem Kae-Kazim (Krogan), Mark Hamill (Alvin), Nolan North (Stoick), Zack Pearlman (Snotlout), Andree Vermeulen (Ruffnut), Mae Whitman (Heather)
Additional Voices: James Arnold Taylor, Steve Alterman, Mitch Carter, Jim Pirri, Peter Falls
Written By: Art Brown & Douglas Sloan
Directed By: Robert Briggs
Ep: 117
King of Dragons, Part 1
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut / Gruffnut), David Faustino (Dagur), Michael Goldstrom (Trader Johann), Hakeem Kae-Kazim (Krogan), Adelaide Kane (Mala), Zack Pearlman (Snotlout), James Arnold Taylor (Throk), David Tennant (Spitelout), Andree Vermeulen (Ruffnut), Mae Whitman (Heather)
Additional Voices: Steve Alterman, Mitch Carter, Neil Dickson, Alastair Duncan, Julie Falls, Edie Mirman, Paula Jane Newman, Alan Shearman
Written By: Art Brown & Douglas Sloan
Directed By: David M.V. Jones & T.J. Sullivan
Ep: 118
King of Dragons, Part 2
Cast: Jay Baruchel (Hiccup), America Ferrera (Astrid), Christopher Mintz-Plasse (Fishlegs), T.J. Miller (Tuffnut), David Faustino (Dagur), Michael Goldstrom (Trader Johann), Djimon Hounsou (Drago), Hakeem Kae-Kazim (Krogan), Holly Kagis (Minden), Zack Pearlman (Snotlout), David Tennant (Spitelout), Andree Vermeulen (Ruffnut), Mae Whitman (Heather)
Additional Voices: Steve Alterman, Mitch Carter, Julie Falls, Kyle T. Heffner, Peter Lavin, Edie Mirman, Paula Jane Newman, Jim Pirri