MythBusters backdrop
MythBusters S5E20 — Exploding Water Heater
8.2
MythBusters•Season 5•Episode 20

Exploding Water Heater

8.2/10 · 190 votesNov 7, 2007

Ranked #1 of 25 in Season 5•+0.7 vs season avg

Discussion

Can an ordinary water heater build up so much pressure that it rockets through the roof and into the atmosphere? Meanwhile, Tory, Grant, and Kari try on some all-American myths about blue jeans.

Previous episodeE19 · TrailblazersNext episodeE21 · Special Supersized Myths
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons16

All12345678910111213141516

Season 5 Episodes25

Hindenburg Mystery stillE1 7.7

Hindenburg Mystery

Pirate Special (1) stillE2 7.7

Pirate Special (1)

Underwater Car stillE3 8.0

Underwater Car

Speed Cameras stillE4 7.2

Speed Cameras

Dog Myths stillE5 7.7

Dog Myths

More Myths Reopened stillE6 7.4

More Myths Reopened

Voice Flame Extinguisher stillE7 7.1

Voice Flame Extinguisher

Birds in a Truck stillE8 7.3

Birds in a Truck

Walking on Water stillE9 7.6

Walking on Water

Western Myths stillE10 7.5

Western Myths

Big Rig Myths stillE11 7.6

Big Rig Myths

Grenades and Guts stillE12 7.4

Grenades and Guts

Snow Special stillE13 7.4

Snow Special

Baseball Myths stillE14 7.4

Baseball Myths

Viewers' Special (1) stillE15 7.4

Viewers' Special (1)

Red Flag to a Bull stillE16 7.5

Red Flag to a Bull

Superhero Hour stillE17 7.6

Superhero Hour

Myth Revolution stillE18 7.4

Myth Revolution

Trailblazers stillE19 7.3

Trailblazers

Exploding Water Heater stillE20 8.2Now viewing

Exploding Water Heater

Special Supersized Myths stillE21 7.7

Special Supersized Myths

Shooting Fish in a Barrel stillE22 7.3

Shooting Fish in a Barrel

Pirates (2) stillE23 7.6

Pirates (2)

Confederate Steam Gun stillE24 7.5

Confederate Steam Gun

Airplane Hour stillE25 7.7

Airplane Hour

Cast6

Adam Savage

Adam Savage

Self - Host

Jamie Hyneman

Jamie Hyneman

Self - Host

Kari Byron

Kari Byron

Self - Host

Tory Belleci

Tory Belleci

Self - Host

Grant Imahara

Grant Imahara

Self - Host

Robert Lee

Robert Lee

Self - Narrator (voice)

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"Exploding Water Heater" is episode 20 of MythBusters season 5. It scored 8.2/10 from 190 votes, ranking #1 of 25 episodes this season (season average 7.5). It aired on November 7, 2007.

Next: E21 · Special Supersized MythsBest of Season 5