TV Series Ratings Analysis

Hawaii Five-0 Episode Ratings Heatmap

2010 · 10 Seasons · 240 Episodes · Overall Score: 7.0/10 (240 rated)

Highest Rated Episode

8.3/10

S1E12: Hana ‘a‘a Makehewa (Desperate Measures) (16 votes)

View Episode →

Best Season

7.70/10

Season 1 holds the highest collective average score across the series.

Season 1 Details →

Most Consistent Season

Season 5

Lowest score variance (σ = 0.29), maintaining an average of 7.3.

Strongest Finale

8.1/10

Season 1 finale: "Oia‘i‘o (Trust)"

Episode Recap →

Complete Episode Rating Matrix

Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.

8.5+ (Outstanding) 7.5 – 8.4 (Great) 6.0 – 7.4 (Average) < 6.0 (Underwhelming) Few votes

Episode	Season 1	Season 2	Season 3	Season 4	Season 5	Season 6	Season 7	Season 8	Season 9	Season 10
Ep 1	7.5	8.3	7.9	7.7	7.7	6.9	7.7	7.2	7.0	8.3
Ep 2	7.5	7.5	7.5	7.7	7.1	6.9	7.2	6.4	6.8	3.8
Ep 3	7.8	6.7	6.6	7.8	7.2	7.4	7.0	6.4	6.6	5.8
Ep 4	7.7	7.7	6.5	7.7	7.5	7.3	7.3	6.5	5.8	5.8
Ep 5	7.2	7.8	7.7	6.9	7.3	7.7	7.1	6.4	5.8	5.2
Ep 6	7.6	7.7	7.7	7.8	7.3	7.5	6.8	6.9	5.8	5.2
Ep 7	7.9	7.8	7.6	7.8	7.9	7.6	7.0	7.3	6.0	5.8
Ep 8	8.0	7.5	7.7	7.9	7.3	7.7	6.9	7.1	5.6	5.0
Ep 9	7.9	7.6	6.4	7.5	7.0	7.6	7.1	7.5	5.6	5.3
Ep 10	7.9	7.9	7.7	8.1	7.3	7.6	5.7	7.0	5.6	5.3
Ep 11	7.6	6.8	7.4	7.6	7.4	7.3	6.5	6.7	5.4	5.5
Ep 12	8.3	7.7	7.5	7.4	7.4	7.4	6.5	7.7	5.6	5.3
Ep 13	8.2	7.5	7.6	7.3	7.4	6.9	7.5	6.4	5.6	5.0
Ep 14	7.5	7.7	6.5	8.0	7.5	6.8	7.0	6.2	4.1	5.0
Ep 15	7.9	7.8	7.5	7.3	7.3	7.7	6.2	6.5	5.8	5.7
Ep 16	8.2	7.8	6.5	7.4	7.5	7.5	6.1	6.5	6.3	3.4
Ep 17	7.7	7.3	7.5	7.6	6.4	7.4	7.4	6.4	6.2	6.0
Ep 18	7.7	7.5	6.5	7.5	7.7	7.5	7.2	5.1	5.4	5.3
Ep 19	7.0	7.7	6.5	7.7	7.4	7.4	7.0	6.6	5.6	5.3
Ep 20	8.0	7.8	7.2	7.1	7.3	7.0	6.1	6.4	5.6	5.0
Ep 21	7.7	7.6	7.0	7.2	6.9	7.8	7.1	6.6	5.6	5.5
Ep 22	6.7	7.9	7.7	7.7	7.2	7.4	7.1	6.2	5.6	6.6
Ep 23	7.1	7.8	7.7	–	7.1	7.5	7.1	5.8	6.0	–
Ep 24	8.1	–	7.7	–	7.3	8.2	6.9	6.0	5.5	–
Ep 25	–	–	–	–	7.6	7.7	6.5	5.6	5.6	–
Season Avg	7.7	7.6	7.3	7.6	7.3	7.4	6.9	6.5	5.8	5.4

Ratings Analysis & Trajectory

Across 10 seasons and 240 episodes, Hawaii Five-0 has earned an overall series rating of 7.0 out of 10. The series reached its critical peak early, showing a slight contraction in audience satisfaction in later chapters.

The single highest-rated hour of television in the series is Season 1, Episode 12 ("Hana ‘a‘a Makehewa (Desperate Measures)"), rated at an extraordinary 8.3/10 with 16 ratings. Conversely, the lowest-rated installment is Season 10, Episode 16 ("He kauwa ke kanaka na ke aloha (Man is a Slave of Love)"), landing at 3.4/10.

The most precipitous single-episode shift occurred in Season 10 between Episode 1 ("Ua ʻeha ka ʻili i ka maka o ka ihe (The Skin Has Been Hurt By the Point of the Spear)", 8.3) and Episode 2 ("Kuipeia e ka makani apaa (Knocked Flat By the Wind; Sudden Disaster)", 3.8), a swing of 4.5 points.

Top 10 Highest Rated Episodes of Hawaii Five-0

Rank	Episode	Title	Score	Votes	Air Date
#1	Season 1, Ep 12	Hana ‘a‘a Makehewa (Desperate Measures)	8.3	16	Dec 13, 2010
#2	Season 2, Ep 1	Ha‘i‘ole (Unbreakable)	8.3	15	Sep 19, 2011
#3	Season 10, Ep 1	Ua ʻeha ka ʻili i ka maka o ka ihe (The Skin Has Been Hurt By the Point of the Spear)	8.3	12	Sep 27, 2019
#4	Season 1, Ep 13	Ke Kinohi (The Beginning)	8.2	16	Jan 3, 2011
#5	Season 1, Ep 16	E Malama (To Protect)	8.2	14	Feb 7, 2011
#6	Season 6, Ep 24	Paʻa ka ʻipuka i ka ʻupena nananana (The Entrance Is Stopped with a Spider's Web)	8.2	10	May 13, 2016
#7	Season 1, Ep 24	Oia‘i‘o (Trust)	8.1	15	May 16, 2011
#8	Season 4, Ep 10	Ho‘onani Makuakane (Honor Thy Father)	8.1	13	Dec 13, 2013
#9	Season 1, Ep 8	Mana‘o (Belief)	8.0	17	Nov 8, 2010
#10	Season 1, Ep 20	Ma Ke Kahakai (Shore)	8.0	16	Apr 11, 2011