01. John Lithgow, Jon Richardson, Hannah Cockroft, Russell Brand
The celebrity bakers take on three challenges - brownies, a 3-D biscuit, and a technical challenge that is quite a handful.
02. James Acaster, Russell Tovey, Rylan Clark-Neal, Michelle Keegan
The celebrity bakers tackle topped flapjacks for the signature challenge, a tricky technical, and make their 'happy places' out of meringue for the showstopper challenge.
03. Johnny Vegas, Big Narstie, Katarina Johnson-Thompson, Jess Phillips
Comedian Johnny Vegas, grime artist Big Narstie, Olympian Katarina Johnson-Thompson, and Labour MP Jess Phillips handle shortbread for their signature challenge, get to grips with a picnic favourite for the technical, and re-create themselves in cake form as their showstopper.
04. Jeremy Paxman, Joe Wilkinson, Sally Lindsay, Georgia Toffolo
Jeremy Paxman, Joe Wilkinson, Sally Lindsay, and Georgia Toffolo are in the tent, baking characterful biscuits and 'hobby cakes' as one of them seeks to bag the coveted star baker apron.
05. Krishnan Guru-Murthy, Caroline Flack, Greg Wise, Nicola Adams
The celebs tackle a fruity drizzle cake and a giant biscuit selfie.