The BEST episodes of K.C. Undercover season 3

Every episode of K.C. Undercover season 3, ranked from best to worst by thousands of votes from fans of the show. The best episodes of K.C. Undercover season 3!

K.C. Cooper, a high school math whiz and karate black-belt, learns that her parents are spies when they recruit her to join them in the secret government agency: The Organization. While she now has the latest spy gadgets at her disposal, K.C. has a lot to learn about being a spy, including keeping her new gig a secret from her best friend Marisa, and balancing everyday family life while on undercover missions, near and far, to save the world.

Last Updated: 11/17/2024Network: Disney ChannelStatus: Ended
Coopers on the Run (2)
star
8.14
70 votes

#1 - Coopers on the Run (2)

Season 3 - Episode 2 - Aired 7/7/2017

Watch Now:AmazonApple TV
K.C. Under Construction
star
8.13
69 votes

#2 - K.C. Under Construction

Season 3 - Episode 7 - Aired 8/11/2017

Unbeknownst to K.C., Marisa is leaking classified information including her latest undercover assignment as a construction worker. Meanwhile, Judy's disagreement with Diane over the tooth fairy jeopardizes the sophisticated robot's disguise as an everyday 10-year-old.

Directors: Eileen Conn
Watch Now:AmazonApple TV
Domino 4: The Mask
star
8.04
45 votes

#3 - Domino 4: The Mask

Season 3 - Episode 24 - Aired 2/1/2018

K.C. and Marisa take Amy on a trip to New York so she won't be at home to witness her "parents" being arrested by The Organization.

Directors: Jon Rosenbaum
Watch Now:Amazon
Teen Drama
star
7.94
65 votes

#4 - Teen Drama

Season 3 - Episode 6 - Aired 8/4/2017

K.C. struggles to make amends with Marisa after their fight, while Marisa wants a recommendation for The Organization from K.C.

Watch Now:AmazonApple TV
Welcome to the Jungle
star
7.87
84 votes

#5 - Welcome to the Jungle

Season 3 - Episode 3 - Aired 7/14/2017

K.C., Ernie, and Marisa are on the run from Zane and eccentric enemy agent Sheena in the heart of the Brazilian jungle.

Watch Now:AmazonApple TV
Unmasking the Enemy
star
7.85
47 votes

#6 - Unmasking the Enemy

Season 3 - Episode 10 - Aired 11/3/2017

K.C. sets a trap to reveal Brady's secret identity.

Directors: Jon Rosenbaum
Watch Now:AmazonApple TV
The Storm Maker
star
7.84
63 votes

#7 - The Storm Maker

Season 3 - Episode 8 - Aired 8/18/2017

K.C. is tasked with tracking down a dangerous weather-controlling device on the same night as her homecoming dance.

Watch Now:AmazonApple TV
Take Me Out
star
7.75
36 votes

#8 - Take Me Out

Season 3 - Episode 17 - Aired 1/18/2018

K.C. is tired of being just friends with Darien.

Directors: Joel Zwick
Writer: Kurt Maloney
Watch Now:Amazon
K.C. Times Three
star
7.73
33 votes

#9 - K.C. Times Three

Season 3 - Episode 20 - Aired 1/24/2018

The team strategizes on ways to find Bernice.

Directors: Patrick Maloney
Writer: Dava Savel
Watch Now:Amazon
The Domino Effect
star
7.71
34 votes

#10 - The Domino Effect

Season 3 - Episode 21 - Aired 1/29/2018

The Coopers track down agents who are distributing weapons to enemy agencies, only to discover they are parents of K.C.'s classmate Amy.

Directors: Eileen Conn
Writer: Darin Henry
Watch Now:Amazon
Coopers on the Run (1)
star
7.66
97 votes

#11 - Coopers on the Run (1)

Season 3 - Episode 1 - Aired 7/7/2017

In this one-hour special, K.C. and her family of spies, along with her BFF Marisa, are on the run from archenemy Zane in Rio de Janeiro when they must take on another spy – the fierce and slightly bizarre enemy agent Sheena.

Watch Now:AmazonApple TV
Out of the Water and Into the Fire
star
7.63
68 votes

#12 - Out of the Water and Into the Fire

Season 3 - Episode 4 - Aired 7/14/2017

When Zane sabotages the Coopers' plane ride, it is up to K.C. to save herself and her family.

Watch Now:AmazonApple TV
Web of Lies
star
7.58
59 votes

#13 - Web of Lies

Season 3 - Episode 5 - Aired 7/28/2017

K.C. is surprised by the results of her SAT score and believes someone tampered with her test. Meanwhile, Marisa expresses interest in becoming a spy.

Writer: Darin Henry
Watch Now:AmazonApple TV
Keep on Truckin'
star
7.56
48 votes

#14 - Keep on Truckin'

Season 3 - Episode 9 - Aired 8/25/2017

K.C. lies to The Organization about losing the weather machine and is sent on a new mission with Craig to recover the machines power source.

Directors: Jon Rosenbaum
Writer: Darin Henry
Watch Now:AmazonApple TV
Revenge of the Van People
star
7.55
38 votes

#15 - Revenge of the Van People

Season 3 - Episode 15 - Aired 1/16/2018

Ernie hosts a group of young international agents while K.C. is away on a mission.

Directors: Jon Rosenbaum
Watch Now:Amazon
Domino 3: Buggin' Out
star
7.45
33 votes

#16 - Domino 3: Buggin' Out

Season 3 - Episode 23 - Aired 1/31/2018

K.C. decides to save Ernie since it was her fault the barbecue failed. They learn the Bishops have planted listening devices and someone called the "The Mask" wants the weapons sold.

Directors: Jon Rosenbaum
Watch Now:Amazon
Twin It to Win It
star
7.42
38 votes

#17 - Twin It to Win It

Season 3 - Episode 18 - Aired 1/22/2018

K.C. is assigned to protect a foreign diplomat at a university ceremony and must go undercover by joining the school's drumline to secure a key position next to the diplomat.

Directors: Joel Zwick
Watch Now:Amazon
The Truth Will Set You Free
star
7.41
46 votes

#18 - The Truth Will Set You Free

Season 3 - Episode 11 - Aired 11/10/2017

When K.C. tells her family and The Organization that Brady is an enemy spy with The Alternate, the Coopers secretly work with Marisa to set a new plan in motion to catch him.

Directors: Jon Rosenbaum
Writer: Eileen Conn
Watch Now:AmazonApple TV
Stormy Weather
star
7.33
40 votes

#19 - Stormy Weather

Season 3 - Episode 12 - Aired 11/17/2017

Ernie and Marisa team up to help K.C. stop Brady and The Alternate from launching The Storm Maker.

Directors: Jon Rosenbaum
Writer: Darin Henry
Watch Now:AmazonApple TV
Cassandra Undercover
star
7.29
34 votes

#20 - Cassandra Undercover

Season 3 - Episode 19 - Aired 1/23/2018

Byron waits for K.C. to respond and she says she's not K.C.. but her cousin, Cassandra. Byron suggests they all go to dinner, so K.C. breaks Bernice out of jail to play her cousin.

Directors: Joel Zwick
Watch Now:Amazon
Deleted!
star
7.28
39 votes

#21 - Deleted!

Season 3 - Episode 13 - Aired 11/24/2017

When Judy freezes and starts saying that her memory is almost full, Craig realizes that it's time for her to return to the Organization to upload her experiences.

Directors: Kadeem Hardison
Watch Now:Amazon
The Gammy Files
star
7.28
36 votes

#22 - The Gammy Files

Season 3 - Episode 16 - Aired 1/17/2018

The Coopers prepare for Poppa Earl to visit with his new fiancé, Betty. He surprises everyone with how happy he is, but K.C. recognizes Betty from an unsolved case from 1977.

Directors: Eileen Conn
Watch Now:Amazon
Domino 2: Barbecued
star
7.24
34 votes

#23 - Domino 2: Barbecued

Season 3 - Episode 22 - Aired 1/30/2018

As K.C. continues to get closer with Amy, she plants bugs in the Bishops' house to get information on the weapon-distribution list.

Directors: Joely Fisher
Watch Now:Amazon
Second Chances
star
6.97
30 votes

#24 - Second Chances

Season 3 - Episode 14 - Aired 1/15/2018

K.C. realizes she misses Darien and goes to tell him, but he reveals he has a new girlfriend. K.C. lies and says she has a boyfriend and the two agree to go on a double date.

Directors: Jon Rosenbaum
Watch Now:Amazon
K.C. Undercover: The Final Chapter
star
0.00
0 votes

#25 - K.C. Undercover: The Final Chapter

Season 3 - Episode 25 - Aired 2/2/2018

K.C. struggles to decide if she should continue as a full time spy or live a normal life at college.

Directors: Jon Rosenbaum
Watch Now:Amazon