Z Nation — 2014-2018 · 5 seasons · 68 eps

★ 6.7

Z Nation poster

Z Nation

2014-2018 5 seasons 68 episodes

★ 6.7 (41,673 votes) Bottom 21%

Three years after the zombie virus has gutted the country, a team of everyday heroes must transport the only known survivor of the plague from New York to California, where the last functioning viral lab waits for his blood.

Episode Ratings Grid

Every episode at a glance, color-coded by rating. Rows are episode numbers within each season, columns are seasons.

Size: M

S1

S2

S3

S4

S5

E1

6.5

7.7

7.6

7.4

7.2

E2

6.8

8.1

7.7

7.4

7.5

E3

7.3

7.3

7.6

7.4

7.7

E4

7.3

7.3

7.7

7.1

7.1

E5

7.1

7.1

6.7

6.9

7.1

E6

8.1

7.2

7.6

7.5

7.1

E7

7.6

7.4

7.7

5.9

6.7

E8

7.7

7.7

6.6

7.0

6.9

E9

5.2

7.1

7.4

8.1

6.7

E10

7.4

7.4

7.4

6.6

7.0

E11

7.2

7.2

7.3

7.4

7.2

E12

7.8

7.4

7.5

7.6

7.4

E13

8.3

7.6

7.5

7.9

7.4

E14

7.9

8.1

E15

8.0

Avg

7.3

7.5

7.5

7.2

7.2

Great

Good

Mid

Bad

Episode Power Rankings

The best and worst episodes at a glance. Use this to find must-watch episodes or ones you might want to skip.

🏆 Top Episodes

#1 8.3

S1E13 Doctor of the Dead

The team is rerouted to a Colorado lab where they hope to find Dr. Merch.

#2

S1E6 8.1

Resurrection Z

An encounter with a seeming Utopian enclave and a religious cult results in a game changer when the survivors travel near Branson, Mo.

#3

S2E2 8.1

White Light

The heroes are reunited, but soon find themselves navigating an unexpected tragedy as they engage in fierce fighting with both zombies and bounty hunters who are eager to capture Murphy, dead or alive. Meanwhile, Vasquez makes a strategic decision.

4. S3E14 "Everybody Dies in the End" 8.1
5. S4E9 "We Interrupt This Program" 8.1
6. S2E15 "All Good Things Must Come to an End" 8.0
7. S2E14 "Day One" 7.9
8. S4E13 "The Black Rainbow" 7.9
9. S1E12 "Murphy's Law" 7.8
10. S1E8 "Zunami" 7.7

📉 Bottom Episodes

#68

S1E9 5.2

Die Zombie Die... Again

Mack attempts to go on a real date with Addy, but ends up stuck in some Groundhog Day-like nightmare.

67. S4E7 "Warren's Wedding" 5.9
66. S1E1 "Puppies and Kittens" 6.5
65. S4E10 "Frenemies" 6.6
64. S3E8 "Election Day" 6.6

The Quality Arc

Each point is an episode, plotted chronologically. The colored bands mark season boundaries. Look for upward or downward trends to see if quality improved or declined over time.

Trend

Episode Engagement

Vote count shows how many people cared enough to rate. High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.

Rating threshold:

15 Standouts

19 Infamous

11 Hidden Gems

23 Forgettable

Top Standout: S1E13 Doctor of the Dead

Most Infamous: S1E9 Die Zombie Die... Again

Best Hidden Gem: S4E9 We Interrupt This Program

Episodes plotted by rating vs. vote count. The vertical line marks the rating threshold (7.5). More votes = more engagement. Toggle above to compare against global or show-specific median.

Series Trajectory

A simplified view: one point per season. This smooths out episode-to-episode noise to show the overall arc of the series.

Trend

Season Momentum

Did each season build momentum or fizzle out? Green arrows mean the finale rated higher than the premiere. Red means the opposite. Longer arrows = bigger swings.

Season Consistency

Some seasons are reliable bangers. Others are hit-or-miss. Each dot is an episode. Tightly clustered dots mean consistent quality. Scattered dots mean a mixed bag.

Each dot is an episode. Clustered dots = consistent quality. Scattered dots = variable season. Hover for episode details.