Scottie Chapman and Mythtern Christine Chamberlain leave the series this season. Grant Imahara joins the cast.
S3 - E1Brown Note Feb. 16, 2005
S3 - E2Salsa Escape Feb. 23, 2005
S3 - E3Exploding Port-a-Potty Mar. 02, 2005
S3 - E4Is Yawning Contagious? Mar. 09, 2005
S3 - E5Cooling a Six-Pack Mar. 23, 2005
S3 - E6Son of a Gun Mar. 30, 2005
S3 - E7Breaking Glass May. 18, 2005
S3 - E8Jet Pack Jun. 09, 2005
S3 - E9Killer Brace Position Jun. 22, 2005
S3 - E10Bullet Proof Water Jul. 13, 2005
S3 - E11Jaws Special Jul. 17, 2005
S3 - E12Border Slingshot Jul. 27, 2005
S3 - E13Killer Tissue Box Aug. 03, 2005
S3 - E14Escape Slide Parachute Aug. 10, 2005
S3 - E15MythBusters Revisited Oct. 12, 2005
S3 - E16Chinese Invasion Alarm Oct. 19, 2005
S3 - E17Confederate Rocket Oct. 26, 2005
S3 - E18Vodka Myths Nov. 02, 2005
S3 - E19Steel Toe-Cap Amputation Nov. 09, 2005
S3 - E20Seasickness - Kill or Cure Nov. 16, 2005