As of July 2026, Generator Rex Season 3 aired in 2011 with 19 episodes — streaming now on HBO Max. Full episode guide and where to watch below.

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Generator Rex Season 3

2011 19 Episodes Animation · Action & Adventure ⭐ 9/10

If you want science fiction that respects its own premise, Generator Rex Season 3 is available on and right now. The show says what it needs to say in a single season, no filler. Its 9/10 TMDB score, built from 416 ratings, reflects a title that consistently delivers. Daryl Sabara's performance is the anchor the more ambitious scenes need. Put it on tonight and see for yourself.

Generator Rex Season 3 is not trying to be everything to everyone, and that focus is exactly what makes it work. What makes Generator Rex Season 3 work is that the ideas never crowd out the people having them. Season 3 of Generator Rex includes 19 episodes. It aired from November 2011 to December 2012. This season stars Daryl Sabara, Troy Baker and Grey DeLisle. Daryl Sabara and Troy Baker lead a cast that brings real weight to the material. It was aired in 2011. What separates Generator Rex Season 3 from lesser genre entertainment is a willingness to let the concept cost the characters something. Every minute repays the time invested, and the whole is greater than the sum of its parts.

Generator Rex Season 3 is satisfying on multiple levels — something to watch and something to think about after. It stands on its own even without an obvious comparison point. The complete run is available and best experienced without too much prior knowledge of where it goes. Daryl Sabara's performance is the anchor the more ambitious moments need. The world-building pays off in ways you will not anticipate on a first watch.

📡 Where to Watch Generator Rex Season 3

🇦🇺 Australia

HBO Max Amazon Channel

🇨🇦 Canada

TELETOON+ Amazon Channel

🇳🇿 New Zealand

HBO Max Amazon Channel

🎬 Generator Rex Season 3 — Episode Guide

Providence has changed during Rex's time jump. Black Knight is now in charge. Rex does not like the new direction Providence is taking.

Rex meets a teenage biker gang with bikes supercharged by nanites. But the nanites are poisoning the biker gang.

Ben Tennyson falls through a wormhole and encounters Rex. The two heroes must unite against a foe that can absorb their powers.

Phantom of the Soap Opera

While visiting Noah at his new job, Rex can't resist checking on his favorite telenovela which is having production issues.

Riddle of the Sphinx

After Holiday fails to return from Egypt, the team searches for her. They soon find something has survived in the Pyramids. Black Knight makes a startling discovery.

Rex loses his goggles while fighting a plant Evo. His quest to recover the goggles distracts him from the plant Evo and its sprouts.

Rex asks for Bobo's help for a prank war with Noah.

Black and White

White Knight and his team break into Providence to keep Providence from restarting the Nanite Project that caused the Event. Secrets are revealed, and White Knight tells the team what is at stake.

Providence tries to bring a civilian. Rex and Noah try to save him. The civilian's ability to disrupt Nantes forces hinders their task.

Assault on Abysus

Rex and Circe go to Abysus to get a Metananite before Providence can obtain it.

Rex journeys to Hong Kong to help his friends, and learns that Providence has a new method for controlling Evos.

A Brief History of Time

Van Kleiss ended up in the past and is being pursued. He struggles to find a way back to his own time.

Circe escapes Providence and is rescued by Rex. She joins them in their fight, but not all is as it seems.

Rex finds out that he has inherited a ranch. Rex and his friends must work the ranch to fight a claim by a squatter.

Target: Consortium

Jungle Cat returns to assist the team in their efforts to infiltrate Providence as the Consortium reunites for the first time since the Event.

Some of Rex's enemies escape from prison seeking revenge.

Rex provides security for a band that's having issues with an Evo fan.

Providence makes its move against Rex and company to get all the Metananites.

Rex must risk everything on his ultimate build in the final battle with the Consortium.

🎭 Cast of Generator Rex Season 3

Daryl Sabara

Rex Salazar (voice)

Troy Baker

Van Kleiss (voice)

Grey DeLisle

Rebecca Holiday (voice)

Fred Savage

Wally Kurth

Agent 6 (voice)

John DiMaggio

Bobo Haha (voice)

📋 All Seasons of Generator Rex

Season 1 Season 2

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