The BEST episodes of Zoo season 1

Every episode of Zoo season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Zoo season 1!

Zoo is a global thriller about a wave of violent animal attacks against humans sweeping the planet. James Wolk will play Jackson Oz, a young, renegade American zoologist who spends his days running safaris in the wilds of Africa when he begins noticing the strange behavior of the animals. As the assaults become more cunning, coordinated and ferocious, he is thrust into the race to unlock the mystery of the pandemic before there’s no place left for people to hide.

Last Updated: 11/10/2024Network: CBSStatus: Ended
That Great Big Hill of Hope
star
7.60
1236 votes

#1 - That Great Big Hill of Hope

Season 1 - Episode 13 - Aired 9/15/2015

Jackson and the team make a final attempt to find a cure to the worldwide animal pandemic, but hit an obstacle that may be impenetrable.

Directors: Michael Katleman
Watch Now:AmazonApple TV
Wild Things
star
7.56
806 votes

#2 - Wild Things

Season 1 - Episode 12 - Aired 9/8/2015

Chloe tries to bring light to the rising threat from the animals. Jackson is taken to a hospital and while they are there Mitch works to create a cure. However, there are many obstacles they must overcome.

Directors: John Polson
Watch Now:AmazonApple TV
The Silence of the Cicadas
star
7.53
1629 votes

#3 - The Silence of the Cicadas

Season 1 - Episode 3 - Aired 7/14/2015

Jackson Oz and Abraham Kenyatta fly to Japan to recover the rest of Oz’s father’s research involving animals. Also, Jamie convinces Mitch to accompany her on a trip to her hometown in Louisiana to show a senator their findings on the abnormal behavior of the zoo lions. In Paris, Chloe is the first to be recruited by a shadowy intelligence agent, Gaspard Alves (Henri Lubatti), who is looking for the cause of the strange animal behavior, and a death row inmate escapes from a Mississippi prison after a vicious wolf invasion sets the prison ablaze.

Directors: Chris Long
Watch Now:AmazonApple TV
This Is What It Sounds Like
star
7.52
1430 votes

#4 - This Is What It Sounds Like

Season 1 - Episode 6 - Aired 8/4/2015

While searching for a solution to the bat problem in Rio de Janeiro, Mitch and Chloe are kidnapped by the local drug lord and Abraham must come to the rescue. Also, reeling from the car crash that allowed escaped death row inmate Evan Lee Hartley to steal the one piece of evidence they had against Reiden Global, the Mother Cell, Jamie, Jackson and Agent Shaffer team up to track him down and lands Jamie in trouble with the FBI.

Directors: David Solomon
Watch Now:AmazonApple TV
Eats, Shoots and Leaves
star
7.49
1192 votes

#5 - Eats, Shoots and Leaves

Season 1 - Episode 11 - Aired 9/8/2015

When Jackson is injured after a run-in with the rebels in Zambia, the team rushes him to a hospital in Zimbabwe and finds it overrun by wild animals. While Jackson undergoes emergency surgery, Mitch and Jamie work to formulate a cure using the Mother Cell and leopard DNA. Victory is within reach until a shocking turn of events jeopardizes everything.

Directors: Zetna Fuentes
Watch Now:AmazonApple TV
Murmuration
star
7.47
1262 votes

#6 - Murmuration

Season 1 - Episode 9 - Aired 8/25/2015

Jamie contacts a fellow journalist in an attempt to expose the truth about Reiden’s involvement in the global animal problem. After realizing Delavenne works for Reiden, Mitch escapes with both the Mother Cell and his daughter’s medication. However, on their way to deliver the medication, Mitch and Abraham come face-to-face with a terrifying army of birds.

Directors: Michael Katleman
Writer: Bryan Oh
Watch Now:AmazonApple TV
Blame It on Leo
star
7.45
1482 votes

#7 - Blame It on Leo

Season 1 - Episode 5 - Aired 7/28/2015

Jackson, Jamie and Agent Shaffer search for a chemist in Alabama who has evidence of Reiden Global’s role in the growing animal problem. Meanwhile, Chloe, Mitch and Abraham fly to Rio de Janeiro to delay the local government’s plan for a massive bat extermination and come up against a ruthless drug lord.

Writer: Jay Faerber
Watch Now:AmazonApple TV
The Cheese Stands Alone
star
7.42
1318 votes

#8 - The Cheese Stands Alone

Season 1 - Episode 8 - Aired 8/18/2015

The team discovers a terrifying rat infestation when a cargo ship carrying the bloodthirsty rodents washes up off the coast of Massachusetts. Also, unbeknownst to the rest of the team, Mitch reconnects with his terminally ill daughter in Boston as he prepares to make a trade with Reiden-Global to save her life.

Directors: Eric Laneuville
Watch Now:AmazonApple TV
Fight or Flight
star
7.41
1708 votes

#9 - Fight or Flight

Season 1 - Episode 2 - Aired 7/7/2015

After Jackson Oz rescues his best friend, Abraham Kenyatta, from a lion attack in Botswana, Abraham’s firsthand account of the attack reveals that the lions are no longer afraid of humans and might be killing for sport. Also, Jamie and Mitch run tests on a lion cub in the Los Angeles Zoo and uncover a link to a chemical made by a biotechnology company, and Chloe Tousignant returns to Paris where she must overcome her own trauma and focus on her work as a government intelligence analyst.

Directors: Michael Katleman
Watch Now:AmazonApple TV
Pack Mentality
star
7.41
1563 votes

#10 - Pack Mentality

Season 1 - Episode 4 - Aired 7/21/2015

Jackson, Abraham, Mitch, Jamie and Chloe are tasked by a top intelligence agent to find the cause of the strange animal behavior around the world. When the team travels to Mississippi to investigate the wolf attack on the prison, Mitch and Abraham break off to catch one of the wolves, and Chloe, Jackson and Jamie discover that death row inmate escapee Evan Lee Hartley might somehow be involved in the attack. Also, the team meets FBI Agent Ben Shafer, who may know more about the prison fire than he’s saying.

Directors: David Grossman
Writer: Bryan Oh
Watch Now:AmazonApple TV
Emotional Contagion
star
7.39
1268 votes

#11 - Emotional Contagion

Season 1 - Episode 10 - Aired 9/1/2015

On the run as fugitives, the team flies to Zambia to gather leopard DNA in order to manufacture a cure for the abnormal behavior that's affecting animals worldwide. When it’s time to leave, they need to reach out to animal rights activist Ray Endicott to get safe passage out of the country. Also, Chloe makes the ultimate sacrifice to avoid further bloodshed.

Directors: Christine Moore
Writer: Jay Faerber
Watch Now:AmazonApple TV
First Blood
star
7.39
2025 votes

#12 - First Blood

Season 1 - Episode 1 - Aired 6/30/2015

Jackson Oz, an American ex-pat safari guide living in Africa, discovers a link between strange animal attacks on people occurring around the world and his late father's controversial theories about an impending threat to the human race. Meanwhile, journalist Jamie Campbell and veterinary pathologist Mitch Morgan team up to investigate similar abnormal animal behavior in Los Angeles.

Directors: Brad Anderson
Watch Now:AmazonApple TV
Sleuths
star
7.18
1371 votes

#13 - Sleuths

Season 1 - Episode 7 - Aired 8/11/2015

The team travels to Paris to search for a group of bears that were being studied for migration habits when their trackers mysteriously went offline. While investigating the strange occurrence, Chloe must work with and ultimately confront her ex-fiancé, a civil engineer, who is helping city officials find the missing bears. Meanwhile, with Jamie accused of murder, the team makes a daring plan to hack into the Reiden-Global mainframe, and Mitch makes a shocking discovery about the next evolutionary step of the animals.

Directors: Dean White
Watch Now:AmazonApple TV