The full-length "Doctor Who" season 8 trailer has been unveiled, and spoilers have surfaced regarding the various monsters and villains in the trailer.

There are several monsters featured in the "Doctor Who" season 8 trailer, including one who will be featured in the premiere episode.

According to spoilers by DoctorWhoTV, the "Doctor Who" season 8 premiere will feature a monster rumored to be Jack the Ripper, played by guest star Peter Ferdinando.

As one of the monsters in the period episode, you can check out the set filming during the "Doctor Who" season 8 premiere featuring this villain.

In addition, one of the monsters is a blue-eyed robot, and spoilers conform it will be featured in "Doctor Who" season 8 episode 6, presumably titled "The Caretaker."

There is also the minotaur-like monster in episode 5, "Time Heist." In the "Doctor Who" season 8 trailer, it looks like the creature is found in a bank vault and a space suit.

"Looks like they glued Slitheen arms to the Minotaur and repainted it a bit," wrote rden94.

This is also the episode that will introduce Ms. Delphox, an other-worldly banker played by Keeley Hawes ("Line of Duty").

"I am delighted to join Doctor Who and to be working with this incredible team. Ms. Delphox is a great character and someone I've had a lot of fun playing," says Hawes according to Doctor Who TV.

And lastly, there is also the Robot Knight from episode 3, titled "Robots of Sherwood."

What do you think of these "Doctor Who" season 8 monsters?