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20 Seasons
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S3 E26 3/9/05

Chinese Invasion Alarm

Adam and Jamie investigate an ancient Chinese subterranean sonar system that detected an invasion from below. Then they test related bacteria myths such as a dog's mouth is cleaner than a human's and the classic five-second rule -- if it's been on the floor for less than five seconds, it's safe to eat!

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The Latest

Remembering Mythbusters' Grant Imahara

Seasons

Episode   1

Myths Revisited

Episode   2

Scuba Diver and Car Capers

Episode   3

Ancient Death Ray

Episode   4

Elevator of Death

Episode   5

Beat the Radar Detector

Episode   6

Quicksand

Episode   7

Exploding Jawbreaker

Episode   8

Ping-Pong Rescue

Episode   9

Boom Lift Catapult

Episode   10

Exploding House

Episode   11

Ming Dynasty Astronaut

Episode   12

Brown Note

Episode   13

Salsa Escape

Episode   14

Exploding Port-a-Potty

Episode   15

Is Yawning Contagious?

Episode   16

Cooling a Six-Pack

Episode   17

Son of a Gun

Episode   18

Breaking Glass

Episode   19

Jet Pack

Episode   20

Killer Brace Position

Episode   21

Bulletproof Water

Episode   22

Border Slingshot

Episode   23

Killer Tissue Box

Episode   24

Escape Slide Parachute

Episode   25

MythBusters Revisited

Episode   26

Chinese Invasion Alarm

Episode   27

MythBusters Revealed