Featuring the Voices of: Sam Vincent (Eli / Official), Vincent Tong (Junjie / Outlaw #1), Andrew Francis (Kord / Shadow Clan Leader), Lee Tockar (Pronto / Elder), Shannon Chan-Kent (Trixie / Outlaw Girl / Flower), Brian Drummond (Hamengku), Trevor Devall (King of Sling)
Written By: Ken Pontac
Directed By: Daniel DeSerranno
Note: The first four episodes of this season were originally released in theaters on Aug 15, 2015 as "Slugterra: Eastern Caverns"
Ep: 48
The Great Slug Robbery (part 2)
Featuring the Voices of: Sam Vincent (Eli), Vincent Tong (Junjie / Outlaw #1 / Holt Goon #2), Andrew Francis (Kord), Lee Tockar (Pronto / Underlord Holt), Shannon Chan-Kent (Trixie / Outlaw Girl), Brian Drummond (Hamengku / Holt Goon #1)
Written By: Guy Toubes
Directed By: Ben Anderson
Ep: 49
The Tournament of the Underlords (part 3)
Featuring the Voices of: Sam Vincent (Eli / Generic Underlord), Vincent Tong (Junjie / Goon), Andrew Francis (Kord / Generic Goon), Lee Tockar (Pronto / Underlord Holt / Jonny Man / Underlord Sleade), Shannon Chan-Kent (Trixie / Outlaw Girl), Kathleen Barr (Dai-Fu), Andrew Duncan (Swick)
Written By: Matt Wayne
Directed By: Richard Johnson
Ep: 50
The Emperor (part 4)
Featuring the Voices of: Sam Vincent (Eli), Vincent Tong (Junjie), Andrew Francis (Kord), Lee Tockar (Pronto / Jonny Man / Underlord Sleade), Shannon Chan-Kent (Trixie), Kathleen Barr (Dai-Fu), Brian Drummond (The Emperor)
Written By: Scott Sonneborn
Directed By: Sebastian Brodin
Ep: 51
Second Chances
Featuring the Voices of: Sam Vincent (Eli / Big Man #2), Vincent Tong (Junjie / Big Man #1), Andrew Francis (Kord / Jonny Man Goon #1), Lee Tockar (Pronto / Jonny Man / Underlord Sleade / Jonny Man Goon Driver), Kathleen Barr (Dai-Fu), Brian Drummond (The Emperor / Old Man / Townsperson), Andrew Duncan (Swick)
Written By: Jonathan Callan
Directed By: Daniel DeSerranno
Ep: 52
Get Pronto!
Featuring the Voices of: Sam Vincent (Eli / Lizard Thug #1 / Fat Thug #1), Vincent Tong (Junjie / Weaselly Thief), Andrew Francis (Kord / Townsperson / Jittery Thug), Shannon Chan-Kent (Trixie / Hoshi / Townswoman), Lee Tockar (Pronto / Tall Thug / Underlord Holt)
Written By: Kendra Hibbert
Directed By: Ben Anderson
Ep: 53
Stuff of Legend
Featuring the Voices of: Sam Vincent (Eli), Vincent Tong (Junjie), Andrew Francis (Kord), Shannon Chan-Kent (Trixie), Lee Tockar (Pronto / Sleade), Mark Oliver (Pyritor / Lead Miner)
Written By: Patrick Reiger
Directed By: Richard Johnson
Ep: 54
Eastern Tech
Featuring the Voices of: Sam Vincent (Eli / Technician's Assistant - Old Man), Vincent Tong (Junjie), Andrew Francis (Kord), Shannon Chan-Kent (Trixie), Lee Tockar (Pronto / Jonny Man), Kathleen Barr (Technician - Drucilla)
Written By: uncredited
Directed By: uncredited
Note: Credits at the end of the episode are incorrect. They are for the previous episode.
Ep: 55
Slug Day
Featuring the Voices of: Sam Vincent (Eli / Yarry), Vincent Tong (Junjie / Symothy), Andrew Francis (Kord / Shadow Clan), Shannon Chan-Kent (Trixie / Female Decorator), Lee Tockar (Pronto), Michael Dobson (Morv / Oogleby)
Written By: Adam Beechen
Directed By: Daniel DeSerranno
Ep: 56
The Fall of the Eastern Champion
Featuring the Voices of: Sam Vincent (Eli), Vincent Tong (Junjie / Symothy / Yang), Andrew Francis (Kord), Shannon Chan-Kent (Trixie), Lee Tockar (Pronto), Brian Dobson (Goon), Brian Drummond (Young Hamengku)
Written By: Scott Sonneborn
Directed By: Jeremy Brown & Daniel DeSerranno
Ep: 57
The Lady and the Sword
Featuring the Voices of: Sam Vincent (Eli / Underlord Generic Goon), Vincent Tong (Junjie / Symothy), Andrew Francis (Kord), Shannon Chan-Kent (Trixie), Lee Tockar (Pronto / Underlord Holt), Kathleen Barr (Daifu), Andrew Duncan (Swick)
Written By: Matt Wayne
Directed By: Ben Anderson
Ep: 58
The Emperor Strikes Back
Featuring the Voices of: Sam Vincent (Eli / Yarry / Technician's Assistant - Old Man), Vincent Tong (Junjie / One-Eyed Thug), Andrew Francis (Kord), Shannon Chan-Kent (Trixie), Lee Tockar (Pronto / Underlord Holt / Jonny Mann), Kathleen Barr (Daifu / Technician - Drucilla), Brian Drummond (Emperor), Michael Dobson (Morv / Oogleby), Andrew Duncan (Swick)
Written By: Alexx Van Dyne
Directed By: Sebastian Brodin
Ep: 59
The Return of the Eastern Champion
Featuring the Voices of: Sam Vincent (Eli / Yarry / Technician's Assistant - Old Man), Vincent Tong (Junjie / Underlord #2), Andrew Francis (Kord / Shadow Claus / Underlord #1), Shannon Chan-Kent (Trixie), Lee Tockar (Pronto / Jonny Mann / Sleade), Kathleen Barr (Lian / Technician - Drucilla), Brian Drummond (Emperor / Hamengku / Underlord Holt Goon), Mark Oliver (Pyritor)