Penny Lancaster, Megan McKenna, Melanie Sykes, Patrick Grant and Nabil Abdulrashid compete in this week's heats.

The remaining four of this week's celebrities prepare calamari and tartare sauce, then cook for Mitch Tonks, one of the UK's top fish specialists.

In this week's quarter-final, the remaining three contestants compete for two semi-final spots. They must cook for previous finalists Phil Vickery, Andi Peters and Craig Revel-Horwood.