[2] A six-part television series sequel, The Diamond Brothers, was broadcast on ITV in 1991, with McLinden and Dale reprising their roles.

Nicholas Simple (aka Nick Diamond) is more like the brains than his detective brother Herbert Timothy Simple, aka Tim Diamond, inc. Because when a dwarf enters with a secret package, nearly all the crooks in England are out to get the brothers, and just because of a confectionery package.

to have been converted directly from the cinema reels although the American VHS, which was titled "Diamond's Edge" had removed substantial amount of Colin Dale's voiceover and some violent scenes.

In 1991, The Diamond Brothers, a six-part television miniseries written and directed by Horowitz himself, was broadcast on ITV.

Both McLinden and Dale reprised their respective film roles, which makes the television series act as a sequel to Just Ask for Diamond.