Aliens Among Us was the fifth series of Torchwood, released by Big Finish Productions in 2017 and 2018. The audio series served as a continuation of the Torchwood television series and previous Big Finish audio stories set after the Miracle Day - Forgotten Lives, More Than This, Ghost Mission, Made You Look and Visiting Hours, where Gwen Cooper started to rebuild Torchwood Three in Cardiff with help from Rhys Williams and Andy Davidson.
The series was created by James Goss, Scott Handcock and Russell T Davies, who introduced several new characters, including Tyler Steele, a PR for the Sorvix Ro-Jedda. Orr, a sexual psychomorph. The mysterious Ng, an alien that occupied Gwen's body and posed as her. Then St John Colchester, who first appeared in The Torchwood Archive and likewise was created with Russell T Davies.
John Barrowman, Kai Owen and Tom Price returned to voice their characters, and Eve Myles only briefly appeared in several stories due to her unavailability for most of the recording sessions, while possessed Gwen was voiced by Alexandria Riley. The series also saw the first appearance of the parallel universe version of Yvonne Hartman and the return of Bilis Manger.
|5.1||Changes Everything||James Goss||Jack, Gwen/Ng, Rhys, St John Colchester, Tyler, Orr, Ro-Jedda, the Sorvix||10 August 2017|
|5.2||Aliens & Sex & Chips & Gravy|
|5.4||Superiority Complex||AK Benedict|
|5.5||Love Rat||Christopher Cooper||Jack, Gwen/Ng, Rhys, Andy, St John Colchester, Tyler, Orr, Ro-Jedda, the Sorvix, Bilis Manger||19 October 2017|
|5.6||A Kill to a View||Mac Rogers|
|5.7||Zero Hour||Jay Harley|
|5.8||The Empty Hand||Tim Foley|
|5.9||Poker Face||Jack, Gwen/Ng, Yvonne Hartman, Rhys, Andy, St John Colchester, Tyler, Orr, Ro-Jedda, the Sorvix||6 February 2018|
|5.11||Escape Room||Helen Goldwyn|
|5.12||Herald of the Dawn||James Goss|