Slugterra - Season 4 - Eps 4: Into the Shadows: Ghouls and Monsters (4)
Tad's hypnotic slug Pieper has gone megamorph, his gang of supporters all have Gattler blasters and Tad's control over his new ghouls is stronger than Dr. Blakk's ever was. The Shane Gang are under non-stop ghoul fire as they struggle to put a stop to Tad's plans and the mass ghouling of slugs once and for all.
About Slugterra

Title: Slugterra
First Air Date: 2012-10-15
Last Air Date: 2016-10-25
Status: Ended
Rating: 8.351/10 (from 853 votes)
Language: EN
Seasons: 5
Total Episodes: 59
Network: Disney XD Family Chrgd
Genres: Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy, Family
Production Companies: Nerd Corps Entertainment, Bell Broadcast and New Media Fund
Synopsis
Following his father's death, 15-year-old Eli Shane embraces his destiny to follow in his dad's footsteps to a secret, subterranean world called Slugterra where he is determined to be the greatest Slugslinging hero of them all!
Cast

Sam Vincent
Eli

Shannon Chan-Kent
Trixie

Andrew Francis
Kord

Lee Tockar
Pronto

Brian Drummond
El Diablos Nacho

Michael Dobson
Drake

Trevor Devall
King of Sling