The BBC Official, previously Reithers, is a Roblox group created by Reith1922. It was the publisher of the official crossover video game Wonder Chase [+]Loading...["Wonder Chase (video game)"], which featured elements of Doctor Who.
The publisher's name is a reference to Sir John Reith, a major figure in BBC history, who was first hired in 1922. It was likely used to disguise official BBC involvement ahead of full-scale public release.