Growing up in a remote forest cabin with his dad, Gus learns lessons about survival and the dangers...

Gus follows a reluctant Big Man into the unknown. Dr. Singh discovers what it will cost to save Rani...

Eager to send Gus on his way, Big Man figures out how to hide him in plain sight. The Singhs attend...

Gus lands under the protection of some new friends as Big Man's past catches up to him. Dr. Singh fe...

Gus and Big Man pick up a traveling companion who suggests a perilous shortcut. Aimee's sanctuary co...

In a moment of desperation, Dr. Singh makes a bold promise. A lost memento makes for a bumpy ride to...

Gus's quest to find Birdie and uncover more about her connection to his father leaves him questionin...

His world shaken, Gus runs off and makes a rash decision. Big Man comes to grips with long-ago mista...

Locked up in the zoo's kennels, Gus meets his fellow hybrid prisoners as he looks for a way out. Gen...

An uneasy alliance forms over plans to free Gus and the other kids from captivity. Desperate for a b...

Gus' expedition with Dr. Singh leads to several shocking discoveries. Big Man and Aimee seek refuge...

As Big Man reckons with sins of the past, Gus becomes a target of anger and suspicion, Rani's misgiv...

General Abbot makes an example out of Gus. Dr. Singh obsesses over his research ahead of an importan...

The zoo turns into a battle zone when the rescue mission takes flight, with families coming together...

After an eventful, obstacle-strewn journey to find a safe haven, Gus learns more about his origins a...

Warned about General Abbot's plans, Gus and his friends prepare to take a stand and defend the hybri...

Gus and his cohorts set out for Alaska to reconnect with Birdie, who's working on a cure for the Sic...

After a doctor joins Gus and his crew, they seek a way to the coast and stumble upon a plane owned b...

As Gus learns more about a threat and their dangerous plans, the group races to catch a departing bo...

An unsettling discovery at sea forces Gus to take on a grim chore as tensions swell between his comp...

As polar night looms, Gus and his crew arrive at the outpost — but they're not alone. To find Birdie...

After a daring rescue, Gus meets an individual well-versed in hybrid history. Amid emotional reunion...

With loved ones beside him, Gus goes on a treacherous journey into the cave to find a cure once and...

After suffering an unimaginable loss, Gus must make a choice that will determine the fate of humans...