Sam, de vader van Tony, keert na 3 jaar afwezigheid terug bij zijn gezin. Het blijkt dat hij 3 jaar geleden ontvoerd is door aliens. Zijn vrouw woont samen met Joe en dat bevalt Sam niet. De spanning loopt op als ook nog blijkt dat er iets aan de hand is met Sam.
Nee, helaas is Xtro nog niet beschikbaar op Netflix in Nederland.
| Directing | Harry Bromley Davenport | Director |
| Writing | Harry Bromley Davenport | Story |
| Writing | Iain Cassie | Writer |
| Writing | Michel Parry | Story |
| Writing | Robert Smith | Writer |
| Production | Mark Forstater | Producer |
| Production | Joyce Gallie | Casting |
| Art | Andrew Mollo | Art Direction |
| Editing | Nicolas Gaster | Editor |
| Camera | John Metcalfe | Director of Photography |
| Production | Robert Shaye | Executive Producer |
| Production | James Crawford | Associate Producer |
| Sound | Harry Bromley Davenport | Original Music Composer |
| Visual Effects | Tom Harris | Special Effects Supervisor |
| Crew | Jo Ann Kaplan | Additional Dialogue |
| Production | Vivien Pottersman | Production Manager |
| Directing | Jake Wright | First Assistant Director |
| Camera | John Simmons | Camera Operator |
| Camera | Mike Metcalfe | Focus Puller |
| Sound | John Midgley | Sound Mixer |
| Sound | David Sutton | Boom Operator |
| Sound | Ken Scrivener | Sound Mixer |
| Costume & Make-Up | Robin Grantham | Makeup Supervisor |
| Costume & Make-Up | John Webber | Special Effects Makeup Artist |
| Costume & Make-Up | Barry Richardson | Hairdresser |
| Production | Joyce Gallie | Casting Director |
| Costume & Make-Up | Philippe Pickford | Wardrobe Supervisor |
| Art | Peter Body | Assistant Art Director |
| Sound | Charles Ware | Sound Editor |
| Editing | Jo Ann Kaplan | Assistant Editor |
| Camera | Jo Hidderley | Clapper Loader |
| Camera | Ed Buziak | Still Photographer |
| Directing | Michael Zimbrich | Second Assistant Director |
| Directing | Andrew Warren | Second Assistant Director |
| Production | Hugh O'Donnell | Location Manager |
| Production | Terry Connors | Production Accountant |
| Production | Wendy Tayler | Publicist |
| Directing | Maggie Jones | Continuity |
| Directing | Marjorie Lavelly | Continuity |
| Art | Dave Newton | Property Master |
| Art | Reg Wheeler | Props |
| Lighting | Michael Woollard | Gaffer |
| Lighting | Jim Beeby | Electrician |
| Lighting | Robert Bonecci | Electrician |
| Art | Bill Perren | Painter |
| Production | Antonella Mancini | Production Secretary |
