'Zoo' TV Show Episode Guide



Based on the James Patterson novel of the same name, Zoo revolves around a global rash of deadly animal attacks on humans and the people who, recognizing a pattern, investigate the reasons behind the tragedies in order to prevent more bloodshed.

Zoo main cast and characters

Season 1 (2015)

Number of Episodes: 13
Original Air Dates: June 30 to September 15, 2015 at 9:00 PM ET/PT
Network: CBS

Episode #: 1
Title: "First Blood"
Summary: In Botswana, safari guide Jackson Oz has a close encounter with an animal attack and finds out his late father had identified a deadly pattern in animal behavior worldwide.

Journalist Jamie Campbell and animal pathologist Mitch Morgan investigate a similar attack at the Los Angeles Zoo.

Episode #: 2
Title: "Fight or Flight"
Summary: Abraham witnesses unusual lion behavior that could cost Abraham his life. Chloe has trouble returning to work in Paris.

Episode #: 3
Title: "The Silence of the Cicadas"
Summary: Jackson travels to Japan to find his father's research. Mitch and Jamie try to present their findings on Reiden Global. Chloe is asked to investigate dog attacks. 

Episode #: 4
Title: "Pack Mentality"
Summary: The group looks into wolf attacks in a Mississippi jail and their relation to an escaped death row inmate. 

Episode #: 5
Title: "Blame It on Leo"
Summary: The group discovers a disturbing secret behind Reiden Global's success and its ties to the animal attacks. Mitch, Jackson and Chloe travel to Rio to investigate bats but have a run-in with a local drug lord.

Episode #: 6
Title: "This Is What It Sounds Like"
Summary: As Mitch and Chloe are held captive in Rio, Mitch has to use his ingenuity to save them. The team tries to track down the mother cell. 

Episode #: 7
Title: "Sleuths"
Summary: The team tries to locate and capture a group of bears terrorizing Paris.

Mitch learns more about the mother cell and makes a fateful decision.

Episode #: 8
Title: "The Cheese Stands Alone"
Summary: A rat invasion strikes Massachusetts, and the team investigates to determine if the mother cell was involved. Mitch makes a deal to save his daughter.

Episode #: 9
Summary: Birds attack Mitch and Abraham. Reiden pursues the group in an effort to retrieve the mother cell. Chloe and Jamie are targeted by the FBI.

Episode #: 10
Title: "Emotional Contagion"
Summary: The team undertakes one final mission before heading to Zambia to try to find a cure. Chloe makes a sacrifice.

Episode #: 11
Title: "Eats, Shoots and Leaves"
Summary: The team arrives in Zambia but finds itself threatened by leopards and rebels. Chloe tries to find a way out of her predicament.

Episode #: 12
Title: "Wild Things"
Summary: Chloe presents her findings about the animal behavior and gets a new ally. The team seeks medical help for a wounded Jackson while hurrying to finish the cure as attacking animals invade the hospital.

Episode #: 13
Title: "That Great Big Hill of Hope"
Summary: Months have passed since the plane crash. The cure is lost, and Jamie is presumed dead but finds herself held captive.

The animals have increasingly taken over. Chloe and Jackson are working on a cure with Amelia Sage. Reiden has cut a deal with the government and is proposing a radical solution.