When is The Great British Bake Off: An Extra Slice on Channel 4 tonight, is Jo Brand hosting and who are the special guests?

THE GREAT British Bake Off is back for its second series since its move from the BBC to Channel 4.
Also along for the ride is spin-off show An Extra Slice, which looks back at the action and gossip of each week's episode. Here's the lowdown.
Is Bake Off: An Extra Slice returning to Channel 4?
The Great British Bake Off spin-off series returned to our screens on Friday, August 31, on Channel 4 and continues this evening (October 19).
The Great British Bake Off: An Extra Slice starts at 8pm and lasts for an hour.
It can be watched at this time every week for 10 shows.
The series goes behind the scenes in the Bake Off tent and gives viewers a glimpse of previously unseen footage.
Is Jo Brand hosting?
Extra Slice will once again be presented by comedian, Jo Brand, who originally hosted the show on its former home on BBC2.
It's known for it's catchphrase "show us your bakes".
The show first started in 2014 after the fifth series of The Great British Bake Off began.
Jo is joined by three famous Bake Off fans every week as well as a studio audience who bring in their own baked goodies for them to try.
It also includes an interview with the latest person to be sent home from the Bake Off tent.
More on The Great British Bake Off
Who are the special guests?
The special guests for tonight's episode have not yet been revealed.
The celebs get a chance to taste some of the bakes brought in by the audience.
Previous guests have included chefs Michel Roux Jr and Rosemary Shrager as well as author and keen baker Marian Keyes, plus comedians such as Josh Widdicombe.