A few new spoilers for Episode 7
From blogtorwho:
• Some of the story is set on an asteroid called Demons Run
• Features "Jack the Ripper's London"
• Silurians, Sontarans and Cybermen all return. As does River Song.
• Actress Neve McIntosh, who previously played Alaya and Restac in The Hungry Earth/Cold Blood, is back as a character called Madame Vastra.
• Nicolas Briggs is back as the Voice of the Cybermen
• Some of it is set far in the future.
• "Eye Patch Lady" (played by Frances Barber) is back and has a name - Madam Kovarian
• Dorium Maldova, last seen in The Pandorica Opens, makes an appearance.
• Some of the story is set on an asteroid called Demons Run
• Features "Jack the Ripper's London"
• Silurians, Sontarans and Cybermen all return. As does River Song.
• Actress Neve McIntosh, who previously played Alaya and Restac in The Hungry Earth/Cold Blood, is back as a character called Madame Vastra.
• Nicolas Briggs is back as the Voice of the Cybermen
• Some of it is set far in the future.
• "Eye Patch Lady" (played by Frances Barber) is back and has a name - Madam Kovarian
• Dorium Maldova, last seen in The Pandorica Opens, makes an appearance.