As Kate nears death, the team races to defeat Amaru and seal the gate to Xilbalba.

The Geckos are going after Amaru, as she plots to regain her true form and open the gates of Hell.

Gecko brothers and the Fuller family are watching the Santanico Pandemonium as Ranger Freddie Gonzalez shows up to exact revenge.

Seth and Santanico clash with Richie over his betrayal, while Carlos and Scott aim to take Malvado’s empire and unleash culebra frenzy on the world.

Santanico confronts Malvado with Seth's help; Richie and Kate must stop Carlos and Scott from overturning the ancient prophecy and taking control of a powerful evil.

Ranger Freddie Gonzalez teams with an old enemy; the Geckos must defend against the Jaguar Warriors.

The team falls victim to a female Xibalban demon.

Seth and Richie find they've been double-crossed; the Fullers confront their demons.

Seth and his team protect civilians from cannibal attacks.

A pit stop at a liquor store leads to a deadly standoff for bank robbers Seth and Richie Gecko, who are making a run for the Mexican border.

Three months after freeing Santanico from the Titty Twister, the Gecko Brothers are still on the run; Seth and Kate are lost in Mexico; Richie and Santanico plot vengeance on the culebra Lord.

Richie's visions intensify as the Gecko Brothers escape the liquor store with dogged lawman Freddie Gonzalez in close pursuit.

While Richie deals with his visions, Seth and Carlos plan to cross the border. Meanwhile, the Fullers' RV breaks down and Ranger Gonzalez asks for help.

Following the trail of the mass grave, Freddie and Kate uncover epic secrets and confront Oculto, a reclusive and dangerous Lord. Seth and Richie take the girls on a double date, and Carlos lets go of the past.

Richie and Santanico pose as sex traffickers to infiltrate Malvado’s food supply, while Sonja forces Seth to kick his drug habit. Meanwhile, Freddie faces off with Sex Machine, who attacks his family to retrieve the codex.

Kate hunts down Scott in Bethel before he can exact revenge. In Houston, Richie and Santanico find themselves deep in the flesh trade, while Seth tries to get back in Uncle Eddie’s good graces.

The Geckos have been demoted to “collectors”, while their organization has been infiltrated by a mysterious new enemy hell-bent on destroying them, the Lords, and all culebras.

Uncle Eddie helps Rich and Seth make a plan to complete Santanico's revenge. Meanwhile, Freddie and Kate encounter an unexpected foe following Malvado's attack.