The WORST episodes of MythBusters Jr.

Every episode of MythBusters Jr. ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of MythBusters Jr.!

The nation's most talented kids have a chance to show off their amazing ingenuity and STEAM (Science, Technology, Engineering, Arts, and Math) skills.

Last Updated: 3/30/2026Network: Science ChannelStatus: Ended

7.45

62 votes

#1 - Dynamite Air Freshener

Season 1 - Episode 2 - Aired 1/9/2019

Adam Savage and team put an explosive myth to the test to find out if a single spark and air freshener can create a catastrophic car calamity. Meanwhile, they investigate an age-old dog urban legend to discover how much water a wet dog can shake.

7.52

46 votes

#2 - Deep Space Hollywood

Season 1 - Episode 9 - Aired 2/6/2019

Adam and the team tackle two Hollywood space myths: if it’s possible to use a fire extinguisher to propel a person in space and if no one in space can hear you scream.

Watch Now:Amazon

7.85

55 votes

#3 - Battery Blast

Season 1 - Episode 3 - Aired 1/16/2019

Adam Savage and the team test if old batteries can set off a dangerous chain reaction and also check on an age-old idiom with a diabolically difficult trick archery shot.

7.86

49 votes

#4 - Countdown to Gas-tastrophe

Season 1 - Episode 7 - Aired 1/30/2019

Adam and the team tackle 2 explosively gassy myths: if Adam’s gassy emissions have enough fuel to launch a rocket and if a patient’s untimely flatulence can make an operating room go up in flames.

Watch Now:Amazon

7.92

49 votes

#5 - Demolition Dominoes

Season 1 - Episode 5 - Aired 1/23/2019

The team tackles 2 tabletop gaming myths: trying an impossible Jenga move and checking if the domino effect can lead to a car-crushing catastrophe.

Watch Now:Amazon

7.94

102 votes

#6 - Duct Tape Special

Season 1 - Episode 1 - Aired 1/2/2019

Adam Savage and a team of 6 kids put duct tape to the test and find out if the magnificent material can be used as a viable parachute and as a fix for a flat tire.

8.00

50 votes

#7 - Shredder Explosion

Season 1 - Episode 6 - Aired 1/30/2019

The team investigates if a paper shredder plus canned air is a recipe for disaster and they tackle an age-old kitchen condiment conundrum.

Watch Now:Amazon

8.02

47 votes

#8 - Bug Special

Season 1 - Episode 8 - Aired 2/6/2019

Adam and the team test if a roach motel’s glue can trap a human and if spider silk is really as strong as steel and kevlar.

8.02

43 votes

#9 - Gravity Busters

Season 1 - Episode 4 - Aired 1/23/2019

Adam Savage and the team put a Slinky to the test and try to use it to hoist a car. They also investigate if an ordinary pencil can really draw a line that's 35 miles long.

8.10

41 votes

#10 - Breaking Bad Blow-Up

Season 1 - Episode 10 - Aired 2/6/2019

“Breaking Bad” creator Vince Gilligan challenges the Busters to prove just how destructive a giant magnet can be. Also, the team investigates how everyday furniture can block a door from Hollywood’s deadliest villains.

Watch Now:Amazon