An experiment gone wrong causes everyone over the age of 15 to disappear from planet Earth.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Disappearance | 2011-02-14 | 28 min |
| Season 1 | Episode 2 | The Invasion | 2011-02-15 | 28 min |
| Season 1 | Episode 3 | The Message | 2011-02-16 | 28 min |
| Season 1 | Episode 4 | The Quest | 2011-02-17 | 28 min |
| Season 1 | Episode 5 | The Funfair | 2011-02-21 | 28 min |
| Season 1 | Episode 6 | The Big Freeze | 2011-02-22 | 28 min |
| Season 1 | Episode 7 | The Water Rats | 2011-02-23 | 28 min |
| Season 1 | Episode 8 | The Unsuitables | 2011-02-24 | 28 min |
| Season 1 | Episode 9 | The Harvest | 2011-02-28 | 28 min |
| Season 1 | Episode 10 | The Fall Out | 2011-03-01 | 28 min |
| Season 1 | Episode 11 | The Hot Zone | 2011-03-02 | 28 min |
| Season 1 | Episode 12 | The Emergency | 2011-03-03 | 28 min |
| Season 1 | Episode 13 | The Sparticle Project | 2011-03-07 | 28 min |
| Season 2 | Episode 1 | The Stone Head | 2013-02-11 | 28 min |
| Season 2 | Episode 2 | The Decoder | 2013-02-12 | 28 min |
| Season 2 | Episode 3 | The White Horse | 2013-02-13 | 28 min |
| Season 2 | Episode 4 | Peace City | 2013-02-14 | 28 min |
| Season 2 | Episode 5 | The Creature | 2013-02-15 | 28 min |
| Season 2 | Episode 6 | The Sword and the Stone | 2013-02-18 | 28 min |
| Season 2 | Episode 7 | The Traders | 2013-02-19 | 28 min |
| Season 2 | Episode 8 | The Statue of Artos | 2013-02-20 | 28 min |
| Season 2 | Episode 9 | The Silver Forest | 2013-02-21 | 28 min |
| Season 2 | Episode 10 | The Quantum Nexus | 2013-02-22 | 28 min |
| Season 3 | Episode 1 | The Neuroscrambler | 2015-01-05 | 28 min |
| Season 3 | Episode 2 | The Bounty Hunters | 2015-01-12 | 28 min |
| Season 3 | Episode 3 | The Trading Post | 2015-01-19 | 28 min |
| Season 3 | Episode 4 | The Comet | 2015-01-26 | 28 min |
| Season 3 | Episode 5 | The Teen Father | 2015-02-02 | 28 min |
| Season 3 | Episode 6 | The Wild Things | 2015-02-09 | 28 min |
| Season 3 | Episode 7 | The Zone | 2015-02-16 | 28 min |
| Season 3 | Episode 8 | The Fisher Girls | 2015-02-23 | 28 min |
| Season 3 | Episode 9 | The Raid | 2015-03-02 | 28 min |
| Season 3 | Episode 10 | The Haunting | 2015-03-09 | 28 min |
| Season 3 | Episode 11 | The Troll Bridge | 2015-03-16 | 28 min |
| Season 3 | Episode 12 | The Keeper | 2015-03-23 | 28 min |
| Season 3 | Episode 13 | The Circle of Perpetual Time | 2015-03-30 | 28 min |
