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.
| Sound | Phil Cape | Boom Operator |
| Camera | Leo Maguire | Camera Operator |
| Sound | Laura Lovejoy | Dialogue Editor |
| Costume & Make-Up | Sue Wyburgh | Makeup Designer |
| Camera | Richard Bevan | Camera Operator |
| Production | Claire Bleasdale | Extras Casting |
| Editing | Toby Lloyd | First Assistant Editor |
| Directing | Thomas Alibone | Second Assistant Director |
| Art | Philip A. Brown | Assistant Art Director |
| Directing | Matthew Hanson | First Assistant Director |
| Production | Scott Eaton | Production Coordinator |
| Costume & Make-Up | Bea Millas | Hair Supervisor |
| Production | Richard Hyland | Production Accountant |
| Costume & Make-Up | Alison Hanken | Makeup & Hair |
| Directing | Schiele Lee | Second Assistant Director |
| Camera | Nick Wall | Still Photographer |
| Sound | Jack Gillies | Sound Designer |
| Sound | Jens Rosenlund Petersen | Assistant Sound Editor |
| Lighting | Vasco De Souza | Electrician |
| Camera | Steven Gardner | First Assistant Camera |
| Lighting | Mat Holloway | Electrician |
| Costume & Make-Up | Elle Wilson | Assistant Costume Designer |
| Costume & Make-Up | Fiona Lobo-Cranston | Makeup & Hair |
| Sound | Rob Hughes | Sound Re-Recording Mixer |
| Sound | Sarah Bridge | Music Supervisor |
| Camera | Paul Hatchman | Key Grip |
| Camera | Dean Rogers | Still Photographer |
| Costume & Make-Up | Sue Wyburgh | Hair Designer |
| Crew | Gary Arthurs | Stunt Coordinator |
| Costume & Make-Up | Becky Brown | Costume Supervisor |
| Camera | Shaun Kirk | Clapper Loader |
| Production | Aisha Bywaters | Casting Associate |
| Costume & Make-Up | Bea Millas | Makeup Supervisor |
| Crew | Arlene de Cruz | Chaperone |
| Writing | James Graham | Screenplay |
| Writing | Morgan Matthews | Screenplay |
| Directing | Kriss Landin | Script Supervisor |
| Lighting | Freddie Bonfanti | Gaffer |
| Camera | Danny Cohen | Director of Photography |
| Production | Shaheen Baig | Casting |
| Production | David M. Thompson | Producer |
| Art | Richard Bullock | Production Design |
| Costume & Make-Up | Suzanne Cave | Costume Design |
| Sound | Martin Phipps | Original Music Composer |
| Art | Duncan Wheeler | Set Decoration |
| Production | Laura Hastings-Smith | Producer |
| Art | Julie Ann Horan | Art Direction |
| Editing | Peter Lambert | Editor |
| Directing | Morgan Matthews | Director |
| Production | Alex Gordon | Production Coordinator |
