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Episode ratings data provided by configured data source. This site is not affiliated with IMDb. This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.

How Do They Do It? | EpisodesRatings

How Do They Do It? poster

Documentary

How Do They Do It?

2006-20217.4 IMDbEpisode avg 7.216 seasons · 192 rated episodes

An insider's look at the engineering and scientific miracles behind the things that form the modern world.

Episode ratings data provided by configured data source. This site is not affiliated with IMDb. This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.

Last updated 6/6/2026

Episode Rating Grid

Rows are episode numbers, columns are seasons. Every rated cell shows its numeric score.

9.0+

8.0-8.9

7.0-7.9

6.0-6.9

5.0-5.9

Below 5.0

Unrated/missing

Ep

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

S15

S16

Avg

7.2

7.3

7.2

7.2

7.3

7.1

7.2

7.0

7.4

7.3

7.1

7.1

8.4

8.2

NR

7.6

E1

7.8 7.8 7.4 7.4 7.0 7.2 7.1 NR 7.1 7.8 6.9 7.0 NR 8.2 NR 7.6

E2

7.0 7.2 7.2 6.9 7.5 6.6 7.2 6.6 7.2 NR 7.1 7.2 8.2 NR NR 7.7

E3

7.0 7.2 7.0 7.2 7.7 6.6 7.0 NR 7.2 7.5 7.3 7.1 NR NR NR 7.5

E4

6.8 7.0 7.0 7.3 7.2 7.0 7.6 6.2 7.4 7.2 7.0 6.7 NR NR NR NR

E5

7.5 7.6 7.0 7.2 7.6 6.9 7.6 6.5 7.4 7.5 7.0 7.1 8.6 NR NR NR

E6

7.3 7.2 7.0 7.1 7.7 7.2 7.3 6.3 7.6 NR 7.0 7.0 NR NR NR 7.4

E7

-

7.3 7.0 7.0 7.2 7.6 6.7 6.2 7.4 NR 7.3 7.3 NR NR NR 7.6

E8

-

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7.7 7.1 7.2 NR 7.4 NR 7.0 6.8 NR NR NR 7.8

E9

-

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7.7 7.2 7.0 NR 7.4 NR 7.0 6.7 NR NR NR NR

E10

-

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7.4 7.0 6.6 7.6 7.9 NR 7.0 7.0 NR NR NR NR

E11

-

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7.2 7.2 7.2 7.4 NR NR 7.2 6.8 NR NR NR 7.4

E12

-

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6.5 7.0 7.0 7.2 NR 7.5 7.4 7.1 NR NR NR NR

E13

-

-

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7.2 6.8 7.0 6.0 7.4 7.0 7.2 7.0 NR NR NR NR

E14

-

-

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7.0 7.5 7.5 7.6 7.6 NR 7.6 7.1 NR NR NR NR

E15

-

-

-

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7.2 7.4 7.3 NR NR NR 7.2 7.2 NR NR NR NR

E16

-

-

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7.1 7.3 7.0 7.7 7.4 6.2 7.0 7.2 NR NR NR NR

E17

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6.8 7.2 7.0 7.4 7.4 8.2 7.0 7.0 NR NR NR NR

E18

-

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7.0 7.4 7.2 7.4 NR 7.5 NR 7.2 NR NR NR NR

E19

-

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7.2 7.3 7.1 7.4 7.4 7.0 7.2 7.3 NR NR NR NR

E20

-

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7.3 7.2 7.4 NR 7.8 7.0 7.4 7.7 NR NR NR NR

E21

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E22

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E23

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E24

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E25

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E26

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E27

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E28

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E29

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E30

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E31

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E32

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E33

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E34

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E35

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E36

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E37

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E38

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Show Statistics

Weighted episode-level summaries calculated from the configured ratings source.

OpenClose

Best episode

S13E5 Caravans, Tuning Forks, Ice Resurfacers, France's Festival of Lights (8.6)

Consistency score

93/100

Std dev 0.36

Rated episodes

192

2,037 total votes

Episode ratings timeline

Each point is a rated episode. Hover or focus a point for episode details.

Top 3 episodes: S13E5 Caravans, Tuning Forks, Ice Resurfacers, France's Festival of Lights8.6 S10E17 Russian Dolls, Aloe Vera and Flags8.2 S13E2 Longboards, Lemonade, Forklifts8.2

Streaming options

Availability may vary by region. Showing US provider data.

Amazon Prime Videosubscription

HBO Max Amazon Channelsubscription

Discovery+ Amazon Channelsubscription

Philosubscription

Science Channelsubscription

HBO Maxsubscription

Discovery +subscription

Amazon Prime Video with Adssubscription

Spectrum On Demandfree

The Roku Channelfree

Amazon Prime Video Free with Adsfree

Amazon Videobuy

Apple TV Storebuy

Google Play Moviesbuy

Fandango At Homebuy

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Worst episode

S8E13 Bomb Squad, Cider, Husqvarna (6.0)

Highest-rated season

Season 13 (8.4)

Lowest-rated season

Season 8 (7.0)

Average episode rating

7.2