In the episode, the Thirteenth Doctor (Jodie Whittaker) travels to the delivery company Kerblam, alongside her companions Graham O'Brien (Bradley Walsh), Ryan Sinclair (Tosin Cole), and Yasmin Khan (Mandip Gill), to investigate why a package sent to her contained a message asking for help.
The episode guest stars Julie Hesmondhalgh, Lee Mack, Callum Dixon, Claudia Jessie, Leo Flanagan, and Matthew Gravelle.
The Thirteenth Doctor and her companions travel to Kerblam!, a galaxy-wide online shopping service consisting of automated warehouses and a mostly robotic workforce known as "TeamMates".
When Kira is abducted, the Doctor tracks her to the completely automated packaging and delivery floor, leading the group to gain access below.
When Yasmin, Ryan and Charlie reveal they had witnessed Kira die when playing with bubble wrap, the Doctor discovers someone had weaponised the material, intending for it to be used upon Kerblam's customers.
Realising the company's AI killed Kira to make Charlie understand the severity of his actions, the Doctor reprograms the TeamMates to deliver to themselves and pop the wrap.
[14] It received an official total of 7.46 million viewers across all UK channels, making it the ninth most watched programme of the week, and had an Audience Appreciation Index score of 81.
The critical consensus states "Adorable automatons, educational undertones, and an everyday object turned horrifying monster make 'Kerblam!'