United Kingdom
The entire Adult Population of the World has disappeared after a disastrous experiment in a Particle Collider. A tribe of 11 Children discover everyone over 15 has gone to a parallel dimension and so they trek across country to realign the two worlds and bring their Parents back. - IMDb
| Az Elveszett dimenzió |  Hungary |
| O Mistério da Superpartícula |  Brazil |
| The Sparticle Mystery |  Australia |
| The Sparticle Mystery |  Canada |
| The Sparticle Mystery |  Ecuador |
| The Sparticle Mystery | United Kingdom |
| The Sparticle Mystery |  Mexico |
| The Sparticle Mystery |  USA |
| Spartikelmysteriet |  Sweden |
| Spartikkel Mysteriet |  Norway |
| Tajemství projektu Sparticle |  Czechoslovakia |
| Záhada částice S | Czechoslovakia |
| Тайна проекта «Спартикл» |  Russia |
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Wesley Nelson [15] | Jeffrey (TV Episode: The Quantum Nexus) (2011) |
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Abigail Hardingham | Kat (TV Episode: The Sparticle Project) (2011) |
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Jay Ruckley [13] | Mungo Mole (TV Episode: The Sparticle Project) (2011) |
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Amybeth McNulty [14] | Sputnik (TV Episode: The Fisher Girls) (2015) |
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Alex Starke | Dreary Druid (TV Episode: The Statue of Artos) (2013) |
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Erin Galway-Kendrick | Paper Tiger (TV Episode: The Neuroscrambler) (2015) |
