[[Sub Zero (graphic novel)|*Sub Zero]].
*Sub Zero (full cover title: Doctor Who Magazine Presents Countdown for TV Action!: *Sub Zero; full indicia title: Doctor Who Magazine presents Countdown to TV Action: *Sub Zero) was a comic collection included free with DWM 508. It was recreated in the style of the Countdown for TV Action! comic and collected the digitally restored Third Doctor comic story *Sub Zero, originally printed in Countdown #47-54.
- Editor: Tom Spilsbury
- Deputy Editor: Peter Ware
- Art Editor: Richard Atkinson
- Strip Clean-up: Peri Godbold
- Editorial Assistant: Emily Cook
- Panini UK Ltd
- Managing Director: Mike Riddell
- Managing Editor: Alan O'Keefe
- Head of Production: Mark Irvine
- Production Assistant: Jez Meteyard
- Circulation & Trade Marketing Controller: Rebecca Smith
- Head of Marketing: Jess Tadmor
- Marketing Executives: Jess Bell & Becci Andrews
- BBC Worldwide, UK Publishing