Three episodes in and things are starting to heat up on Torchwood: Miracle Day! In the sci-fi drama's fourth instalment, Jack continues his investigation into the sinister Oswald Danes and Phicorp, while Esther makes a risky choice and Rex explores a powerful new media campaign.

Check out Digital Spy's ten teasers for the next episode of Torchwood: Miracle Day below:

1. Esther betrays someone close to her.

2. "The pathway to Torchwood is open and clear."

3. Rhys is back, and he's taking on a mission for Gwen.

4. "Do you know what they used to call that in the old days? A ****** ****."

5. Piers Morgan gets a mention.

6. "Man, am I sick of your ugly faces?!"

7. Rex takes a trip to visit a relative, who isn't exactly pleased to see him.

8. "I hear rumours of miracles *** to ****."

9. Two members of the Torchwood team undergo a rather unpleasant interrogation.

10. Oswald's flagging media career receives a helpful kick-start.

What do you make of our teasers? Let us know below!