Jimmy Vee, "a faithful friend of the show", was recalled to the part of the Graske he first portrayed in the interactive episode "Attack of the Graske".

"Attack of the Graske"-2005 (interactive episode)

An interactive episode of Casualty@Holby City was one of the headlining shows of the season, allowing viewers to vote by phone to determine the outcome of a fictional organ donation.

The interactive episode again stars MacCorkindale, Bleasdale, Packer and Wait.

The Graske also featured in the interactive episode of Doctor Who, "Attack of the Graske".

STS Forums: 12 interactive episodes for exploring science, technology and society for middle school.

Bioethics Forums: 12 interactive role-playing episodes for high school exploring bioethical dilemmas created by new advances in medical technology, with an emphasis on genetics.

A Children in Need special and an interactive episode, entitled "Attack of the Graske", were both produced alongside the series.

"Attack of the Graske" (interactive episode, 2005)

"Attack of the Graske" The online version of the interactive episode at BBC Online.