Lookit the Doctor’s evil little smile in the first trailer for “Deep Breath.” He’s redecorated the TARDIS (a little) and Clara is not a fan. She’s also wondering why everyone is bothering the pajama-clad Doctor when clearly he’s supposed to be getting acquainted with his new identity, not fighting dinosaurs and investigating murders centuries in the past with steampunk cyborgs.
But, as Vastra tells Clara, “There’s trouble. Where else would he be?” Take a deep breath and watch for yourself.