Doctor Who's new executive producer Caroline Skinner has dropped hints about the seventh series.
The sci-fi drama's latest run began shooting earlier this week in Wales, with Saul Metzstein directing.
"We had our first read-through a couple of weeks ago, which was a huge pleasure," Skinner told SFX. "[It was] two brilliant scripts."
She confirmed that the current shooting block is comprised of two single episodes, rather than a two-parter.
"What we tend to do is shoot in a block, so one director will do a couple of episodes," she confirmed. "Those two are individual stories."
Skinner also promised that the series premiere, written by showrunner Steven Moffat, will "blow everybody's mind".
"We've got a lot of [the scripts] and the ones that are written are really, really epic and very exciting," she said.
Sherlock star Rupert Graves, The Fast Show's Mark Williams and Harry Potter's David Bradley are among the guest actors confirmed to appear in the new episodes.
Doctor Who will return to BBC One in the autumn.
