Doctor Who
BBC Peter Capaldi in "Doctor Who"

With the latest season of "Doctor Who" about to begin, BBC One has released a trailer in anticipation of the sci-fi drama's first episode, "Deep Breath."

"Deep Breath" will mark the first full appearance of Peter Capaldi as the 12th Doctor as he replaces fan-favorite Matt Smith; this trailer not only acts as an introduction for Capaldi, but also a preview of the new dangers the Doctor must face (like dinosaurs). 

READ MORE: 13 Things To Know About the New Season of 'Doctor Who'

"Doctor Who," co-starring Jenna Coleman as Clara Oswald, will premiere internationally (including, in the US, on BBC America) August 23. You can check out the trailer for "Deep Breath" below.