Op jonge leeftijd ontdekt men dat Nathan lijdt aan autisme waardoor hij altijd moeite heeft gehad om zich te binden met mensen, zelfs met zijn liefdevolle en geduldige moeder Julie. Getallen, voornamelijk priemgetallen, zijn de enige dingen die zinvol voor hem zijn. Maar wanneer de attente leraar meneer Humphreys belangstelling toont in Nathan's talent gaat er een wereld voor hem open.
Nee, helaas is X+Y nog niet beschikbaar op Netflix in Nederland.
| Costume & Make-Up | Alison Hanken | Makeup & Hair |
| Costume & Make-Up | Fiona Lobo-Cranston | Makeup & Hair |
| Costume & Make-Up | Bea Millas | Makeup Supervisor |
| Costume & Make-Up | Bea Millas | Hair Supervisor |
| Costume & Make-Up | Sue Wyburgh | Makeup Designer |
| Costume & Make-Up | Sue Wyburgh | Hair Designer |
| Directing | Matthew Hanson | First Assistant Director |
| Directing | Schiele Lee | Second Assistant Director |
| Directing | Thomas Alibone | Second Assistant Director |
| Art | Philip A. Brown | Assistant Art Director |
| Sound | Phil Cape | Boom Operator |
| Sound | Jack Gillies | Sound Designer |
| Sound | Rob Hughes | Sound Re-Recording Mixer |
| Sound | Laura Lovejoy | Dialogue Editor |
| Sound | Jens Rosenlund Petersen | Assistant Sound Editor |
| Crew | Gary Arthurs | Stunt Coordinator |
| Camera | Richard Bevan | Camera Operator |
| Lighting | Vasco De Souza | Electrician |
| Camera | Steven Gardner | First Assistant Camera |
| Camera | Shaun Kirk | Clapper Loader |
| Camera | Leo Maguire | Camera Operator |
| Camera | Paul Hatchman | Key Grip |
| Lighting | Mat Holloway | Electrician |
| Camera | Dean Rogers | Still Photographer |
| Camera | Nick Wall | Still Photographer |
| Production | Claire Bleasdale | Extras Casting |
| Production | Aisha Bywaters | Casting Associate |
| Costume & Make-Up | Becky Brown | Costume Supervisor |
| Costume & Make-Up | Elle Wilson | Assistant Costume Designer |
| Editing | Toby Lloyd | First Assistant Editor |
| Sound | Sarah Bridge | Music Supervisor |
| Crew | Arlene de Cruz | Chaperone |
| Production | Scott Eaton | Production Coordinator |
| Production | Richard Hyland | Production Accountant |
| Writing | James Graham | Screenplay |
| Writing | Morgan Matthews | Screenplay |
| Editing | Peter Lambert | Editor |
| Production | Shaheen Baig | Casting |
| Sound | Martin Phipps | Original Music Composer |
| Camera | Danny Cohen | Director of Photography |
| Art | Richard Bullock | Production Design |
| Costume & Make-Up | Suzanne Cave | Costume Design |
| Art | Julie Ann Horan | Art Direction |
| Art | Duncan Wheeler | Set Decoration |
| Directing | Kriss Landin | Script Supervisor |
| Lighting | Freddie Bonfanti | Gaffer |
| Production | Laura Hastings-Smith | Producer |
| Production | David M. Thompson | Producer |
| Directing | Morgan Matthews | Director |
| Production | Alex Gordon | Production Coordinator |