The BBC have confirmed that episode ten of Doctor Who Series 7, Journey to the Centre of the TARDIS, will be broadcast on Saturday 27th April at 6.30pm.
The episode will last for 45 minutes, and will conclude at 7.15pm, followed by The National Lottery: Who Dares Wins.
The episode, penned by Sherlock and The Curse of the Black Spot writer Steve Thompson, will air on the same day on BBC America at 8/7C. You can read the synopsis below:
A spaceship salvage team drags the TARDIS on board, sending its systems into meltdown.
As the Doctor marshals the motley salvage crew outside, he realises Clara is still trapped within his malfunctioning ship, pursued by a dangerous group of ossified monsters. He has just 30 minutes to find Clara and save his TARDIS before it self-destructs.
[Source: BBC Media Centre]