You can also read a preview for the episode on the Radio Times website.
Next week also sees the return of The Sarah Jane Adventures, and in the magazine Elisabeth Sladen’s daughter Sadie talks movingly of her mother’s legacy.
Meanwhile, the BBC have now released a host of photos featuring a number of new and familiar faces that will appear in the 45 minute finale this coming Saturday:
**** PUBLICITY PHOTOS FOR THE WEDDING OF RIVER SONG
**** MIGHT BE CONSIDERED SPOILERS