After uncovering a mysterious amulet, an average teen assumes an unlikely destiny and sets out to save two worlds.
 | Season 1 Episode 1 Becoming: Part 1 Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 2 Becoming: Part 2 Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 3 Wherefore Art Thou, Trollhunter? Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 4 Gnome Your Enemy Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 5 Waka Chaka! Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 6 Win Lose or Draal Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 7 To Catch a Changeling Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 8 Adventures in Trollsitting Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 9 Bittersweet Sixteen Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 10 Young Atlas Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 11 Recipe for Disaster Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 12 Claire and Present Danger Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 13 The Battle of Two Bridges Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 14 Return of the Trollhunter Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 15 Mudslinging Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 16 Roaming Fees May Apply Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 17 Blinky's Day Out Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 18 The Shattered King Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 19 Airheads Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 20 Where is My Mind? Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 21 Party Monster Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 22 It's About Time Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 23 Wingmen Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 24 Angor Management Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 25 A Night to Remember Air Date: 2016-12-23 Duration: 30 min |
 | Season 1 Episode 26 Something Rotten This Way Comes Air Date: 2016-12-23 Duration: 30 min |
 | Season 2 Episode 1 Escape from the Darklands Air Date: 2017-12-15 Duration: 24 min |
 | Season 2 Episode 2 Skullcrusher Air Date: 2017-12-15 Duration: 30 min |
 | Season 2 Episode 3 Grand Theft Otto Air Date: 2017-12-15 Duration: 30 min |
 | Season 2 Episode 4 KanjigAAARRRGGHH!!! Air Date: 2017-12-15 Duration: 24 min |
 | Season 2 Episode 5 Homecoming Air Date: 2017-12-15 Duration: 24 min |
 | Season 2 Episode 6 Hiss Hiss, Bang Bang Air Date: 2017-12-15 Duration: 24 min |
 | Season 2 Episode 7 Hero with a Thousand Faces Air Date: 2017-12-15 Duration: 24 min |
 | Season 2 Episode 8 Just Add Water Air Date: 2017-12-15 Duration: 24 min |
 | Season 2 Episode 9 Creepslayerz Air Date: 2017-12-15 Duration: 24 min |
 | Season 2 Episode 10 The Reckless Club Air Date: 2017-12-15 Duration: 23 min |
 | Season 2 Episode 11 Unbecoming Air Date: 2017-12-15 Duration: 24 min |
 | Season 2 Episode 12 Mistrial and Error Air Date: 2017-12-15 Duration: 23 min |
 | Season 2 Episode 13 In the Hall of the Gumm-Gumm King Air Date: 2017-12-15 Duration: 24 min |
 | Season 3 Episode 1 A Night Patrol Air Date: 2018-05-25 Duration: 30 min |
 | Season 3 Episode 2 Arcadia's Most Wanted Air Date: 2018-05-25 Duration: 30 min |
 | Season 3 Episode 3 Bad Coffee Air Date: 2018-05-25 Duration: 30 min |
 | Season 3 Episode 4 So I'm Dating a Sorceress Air Date: 2018-05-25 Duration: 30 min |
 | Season 3 Episode 5 The Exorcism of Claire Nunez Air Date: 2018-05-25 Duration: 30 min |
 | Season 3 Episode 6 Parental Guidance Air Date: 2018-05-25 Duration: 30 min |
 | Season 3 Episode 7 The Oath Air Date: 2018-05-25 Duration: 30 min |
 | Season 3 Episode 8 For the Glory of Merlin Air Date: 2018-05-25 Duration: 23 min |
 | Season 3 Episode 9 In Good Hands Air Date: 2018-05-25 Duration: 24 min |
 | Season 3 Episode 10 A House Divided Air Date: 2018-05-25 Duration: 24 min |
 | Season 3 Episode 11 Jimhunters Air Date: 2018-05-25 Duration: 24 min |
 | Season 3 Episode 12 The Eternal Knight Pt. 1 Air Date: 2018-05-25 Duration: 24 min |
 | Season 3 Episode 13 The Eternal Knight Pt. 2 Air Date: 2018-05-25 Duration: 24 min |
| Production | Rodrigo Blaas | Executive Producer |
| Production | Marc Guggenheim | Executive Producer |
| Production | Guillermo del Toro | Executive Producer |
| Production | Kevin Hageman | Executive Producer |
| Production | Dan Hageman | Executive Producer |
| Production | Christina Steinberg | Executive Producer |
