Created and adapted by Guy Burt, it stars Otto Farrant as the eponymous character, who is recruited by a subdivision of MI6 as a teenage spy to undertake espionage missions.

London teenager Alex Rider is recruited by the Department of Special Operations, a subdivision of the Secret Intelligence Service (MI6), to infiltrate a controversial corrective academy for the wayward offspring of the ultra-rich.

In July 2018, Variety reported that Eleventh Hour Films would be teaming up with Sony Pictures Television to produce an eight-episode adaptation of Point Blanc, the second book in the Alex Rider series.

Sony Pictures Television's international and worldwide distribution divisions under Wayne Garvie and Keith Le Goy were attached to the series.

[15] More cast members were announced the following day, including Brenock O'Connor, Stephen Dillane, Vicky McClure, Jon Brackenridge, Andrew Buchan, Ronkẹ Adékoluẹjo, Ace Bhatti and Nyasha Hatendi.

[18] As it was meant to be renewed earlier, principal photography for the second season was initially set to take place in late 2020 before being pushed to 2021 due to the COVID-19 pandemic.

[19] The series began production in February 2021 in Bristol, England, at the old buildings near Cumberland Basin, The Watershed & Queen Square (with Canary Wharf graphically imposed behind).

[27] Filming of the third season began in Bristol during October 2022, with production expected to take place over six months in the United Kingdom and Croatia.

[7] While promoting the series, lead star Otto Farrant praised the show for addressing societal shifts which allowed men to talk about their feelings, sensitivities, and vulnerabilities.

Returning cast member Ronke Adékoluęjo confirmed that the second season would explore her continuing her role as Alex's guardian while pursuing her dream of becoming a lawyer.

The website's consensus reads, "Alex Rider's first season takes a minute to find it's [sic] footing, but once it does, it proves a solid entry into the espionage game that the whole family can enjoy.

Richards praised Farrant's performance as Alex Rider but opined that the series needed tinkering to identify its target audience.

[32] Ed Cumming of The Independent awarded the series three out of five stars, describing it as "stylish but not sanitised, catching more of the books' momentum and bringing them up to speed with the 21st century".

Brooks also praised Farrant's performance as Alex Rider, opining that he nailed the soul of the teenage protagonist by capturing his strengths, moods, and fears.

[36] The Telegraph's Anita Singh gave the series four out of five stars, describing it as "slick and stylish, bringing the stories up-to-date with smartphones and cybertechnology while sticking to the spirit of Boy's Own adventures".