Count 60 Seconds at High Altitude 1 Season 21 Episode

Episode #1

Tug-of-War Challenge

Episode #2

100-Meter Sprint

Episode #3

Motorboat vs. Paddle Boat

Episode #4

Public Bath Challenge

Episode #5

Dog-Paddle Swimming Challenge

Episode #6

Clothes-Washing Challenge

Episode #7

Collecting Coin Challenge

Episode #8

Stand-Up Challenge

Episode #9

Car-Washing Challenge

Episode #10

Pump Challenge

Episode #11

Digging Challenge

Episode #12

Special Coverage from Guam - Part 1

Episode #13

Special Coverage from Guam - Part 2

Episode #14

Make-a-Noise Challenge

Episode #15

Mosquito-Catching Challenge

Episode #16

Summer Special: The Ghost-house Challenge

Episode #17

Briquette Removal Challenge

Episode #18

Special Coverage: Top 5 Highlights of 'Reckless Challenge'

Episode #19

Car-Push Challenge

Episode #20

Drag the Sled Challenge

Episode #21

Count 60 Seconds at High Altitude

Episode #22

Esper Ito vs. Infinite Challenge Members

Episode #23

Maria Sharapova vs. Infinite Challenge Members, Part 1

Episode #24

Maria Sharapova vs. Infinite Challenge Members, Part 2

Episode #25

Arm Wrestling Challenge

Episode #26

Applying Lipstick on Carnival Rides

Episode #27

Reckless Challenge Best Moments + Unaired Race with Ostrich Challenge Scene