14 February 2011
When every single person over the age of 15 mysteriously disappears, the children are left to fend for themselves. While some turn to looting, Sadiq leads a small group to the safety of the City Hotel.
15 February 2011
Callum's new gang intend to take over the City Hotel, using Kat to gain access. Meanwhile, Reese visits the library to learn more about the Sparticle Project, and sees 'ghosts' of the adults there.
16 February 2011
While visiting the university to find food, Reese discovers a message from Doomsday Dora explaining how the adults disappeared and urging the children to help them return. Meanwhile, Holly is held hostage by the only remaining adult.
Season 1, Episode 4: The Quest17 February 2011
To decide who will lead the quest to reunite the two worlds, the tribe compete to find a new power source. It becomes more urgent when they discover the hotel's boiler is about to explode unless the electricity can be restored.
21 February 2011
While taking a break at a funfair, Reese has visions of Doomsday Dora who is trying to give them a message. Back at the City Hotel, the national water supply has failed and the team must find a new source of fresh water.
22 February 2011
Dora's clue leads the Questers to a science facility where the Sparticle Project was developed. But the simulator leaves Ami, Jordan and Holly trapped in a room with the particle collider's cooling system as the temperature drops.
23 February 2011
Ami is taken hostage by a fun-loving group living on a barge when they mistake him for a member of a rival tribe. Jeffrey needs new batteries for his wheelchair so he can help out more at the City Hotel.
24 February 2011
While stopping to repair their van, the Questers get caught up in a 'revolution' at a posh boarding school, where rebels are trying to overthrow the Head Boy who will do anything to keep things running as he believes they should be.
28 February 2011
The Questers replenish their food supplies at a seemingly abandoned farm, but are caught red-handed by the farmers who accuse them of stealing. Meanwhile, a group of hungry girls follow Liam back to the City Hotel and demand to be fed.
1 March 2011
As the tribe get closer to the Sparticle Project, Holly wonders if she really wants the quest to succeed, and leaves her fellow Questers trapped in an underground nuclear bunker.
2 March 2011
Without the adults to keep things running smoothly, nuclear power stations start leaking deadly radiation. The Questers must find a way to get a message to the adults.
3 March 2011
Ami desperately needs insulin for his diabetes, but the youngsters now running the hospital don't take kindly to the visitors. Meanwhile Tia worries that her approaching 15th birthday could mean she will disappear like the adults.
7 March 2011
The two parts of the tribe are reunited at the Black Tor Mine for the final stage in their quest. But another tribe is guarding the Sparticle Project and won't let anyone in.
11 February 2013
The tribe are falling apart and Holly decides to end the quest by selling the key to Fizzy. Sadiq realizes that the key fits a stone head and challenges Fizzy for the chance to win back the key, the stone head, and Reese's freedom.
12 February 2013
The Sparticles need to translate the message on the stone head, but the museum is locked down. Rocky offers to help as he wants to steal gold to pay for fuel. Holly and Serena offer the museum Fizzy's protection in return for the decoder.
13 February 2013
The Sparticles find themselves in a circus and pose as clowns to avoid trouble. Serena's sister points her to a chalk horse where they find the next clue - an old sword. Holly gets trapped underground and needs Sadiq's help to get out.
Season 2, Episode 4: Peace City14 February 2013
In Peace City, Sadiq is mistaken for a dance star and Reese meets a boy with similar powers to her own. Fizzy offers a massive reward for capturing the Sparticles, but when that doesn't produce results he decides to take over the city.
15 February 2013
According to rumors, Watermint Mill is home to a child-eating creature. Serena and Holly discover that the stone head also has a body, while Reese and Huen are drawn to the creature, sensing that it has powers like theirs.
18 February 2013
Jeffrey is stung by a poisonous plant and needs an antidote that is held in a castle guarded by a tribe of knights. The Sparticles must compete in a tournament to win back the sword. Reese discovers that someone is blocking her powers.
19 February 2013
A tribe of traders imprison the Sparticles, accusing them of stealing a shipment of chocolate intended for Fizzy. Reese's powers are increasing, but the rest of the tribe aren't happy to discover that she can control them.
20 February 2013
The race is on to assemble the Statue of Artos in time for an annual ritual, but Ernesto has decided that his revolution will be easier without the adults. Reese has an out-of-body experience and is reunited with Muna.
21 February 2013
Tensions are rising as the race to the Quantum Nexus nears its end. The sword shows Holly the way and Serena leaves a trail for the Sparticles. Believing that realigning the worlds would be dangerous, Reese teams up with Ernesto.
22 February 2013
Arriving at the Quantum Nexus, the Sparticles are greeted by a holographic version of Doomsday Dora, who explains that they can identify the right dimension to bring their parents back, but Reese's sabotage attempts cause a malfunction.
5 January 2015
12 January 2015
19 January 2015
Season 3, Episode 4: The Comet26 January 2015
2 February 2015
9 February 2015
Season 3, Episode 7: The Zone16 February 2015
23 February 2015
Season 3, Episode 9: The Raid2 March 2015
9 March 2015
16 March 2015
Season 3, Episode 12: The Keeper23 March 2015
30 March 2015
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