Canada's Greatest Know-It-All - S02E01 - Underwater Time Bomb & Paintball Pistol Duel 

Canada's Greatest Know-It-All was a reality show that debuted January 30, 2012, on Discovery Channel (Canada) and ran for two seasons.
In the series, ten competitors, dubbed "know-it-alls," compete in a series of elimination-style challenges that rely on knowledge of physics, mathematics, engineering, as well as physical endurance, to succeed. The show was hosted by Daniel Fathers.
Season 2 competitors included:
- Abraham (Abe) Qammaniq (Northern Ranger)
- Andrew Rader (Aerospace Engineer): / marsrader
- Ben Eadie (DIY Maker): / beneadie
- Beth Furlong (Air Force Pilot)
- Bill Robinson (Systems Manager)
- Carla Davidson (Microbiologist): / endeavoursci
- Doug Hicton (Jeopardy Champion/Defeated IBM chess computer): / doughicton
- Laura Suen (Science Prodigy/Physicist): / laura_suen
- Owen Garratt (Artist): / thepencilneck
- Scott Gravelle (Maker/Extreme Sports): / scottgravelle1
More information: en.wikipedia.o...
Episode descriptions and list of challenges: www.imdb.com/t...