With just two days to go, the BBC has released a new preview clip from the first half of this year’s Doctor Who finale.

In Dark Water by Steven Moffat, Missy comes face to face with the Doctor as plans are drawn up in the mysterious world of the Nethersphere, where an impossible choice is looming. ‘Death is not an end’ promises the sinister organisation known only as 3W, but the Doctor and Clara might wish it was.

Watch the new clip below and share your weird and wonderful Missy theories here. It airs on Saturday at 8:15pm.

“It left me breathless.” – read our Q&A with the finale’s director, Rachel Talalay…

New series, new Doctor, new adventures. Click here for all the latest on Series 8!