Today we're proud to announce that Big Finish companion Charlotte Elspeth Pollard will soon be joining the ranks of recruit-able companions for the popular Doctor Who: Legacy App; and thanks to developers Tiny Rebel Games, Twitch TV viewers can get an exclusive preview tonight!

At 8pm (GMT) Nicholas Briggs, Big Finish's beloved Executive Producer, will be holding an exclusive interview with the folks over at theadiposetv. Nick will be answering your questions, sharing secrets and unveiling a unique code to unlock Charlotte, before her official debut on Thursday the 18th as part of the game's Advent Calender 2014 event

Performed by actress India Fisher, Charlotte (Charley to her friends) made her first appearance in Doctor Who: Storm Warning, joining the Eighth Doctor for 7 years of adventures. Together they battled Daleks, Nimons and countless threats to the Web of Time, before parting company in Doctor Who: The Girl Who Never Was. She was shortly rescued by the Sixth Doctor and continued as his companion for eight climatic escapades. Now she stars in her very own spinoff series Charlotte Pollard, continuing her story with the aid of the mysterious Viyrans.

Doctor Who: Legacy is the critically acclaimed puzzle RPG launched in late 2013.  Join the Doctors from throughout the 51-year history of the show, as well as your favorite allies, and see how you match up against the Doctors’ most formidable foes. Doctor Who: Legacy is currently having its second annual Advent Calendar promotion with a new reward every day through to Christmas!

As an extra special treat, Tiny Rebels game have dished out a special code ahead of tonight's interview:

9374-6962-9398-2687

Reedem the code by going in-game and selecting the option menus, then choosing the promo code tab and entering the key into the field. Doing so will unlock coloured time fragments to help with levelling up Charley.

And remember to tune into the interview tonight at 8pm, exclusively on theadiposetv on  Twitch!

Doctor Who: Legacy can be download for the iTunes App Store, Google Play and Amazon App Store, and is also playble within Facebook.

Charlotte Pollard: Series One is available now, and a selection of her early adventures – included the classic festive adventure Doctor Who: The Chimes of Midnight – can be downloaded now at just £2.99 each.