All Whovians know that, no matter how fun and amazing the chemistry is between The Doctor and his companion, all good things come to an end. However, that only means that new good things can begin.

Rose Tyler is stuck in another dimension with the human version of the Tenth Doctor, Martha Jones chose a quiet life, Donna Noble's memories of The Doctor were locked away for her own safety, Captain Jack Harkness ran Torchwood, Amy and Rory were sent to a time-locked era by weeping angels, Clara Oswin-Oswald, also known as "The Impossible Girl" faced the Raven and her death in an alley run by Ashildr aka "Me," and River Song spent her last night with The Doctor.

Now, it is time for the Doctor to confuse a new companion, and on April 23, BBC revealed who it will be.

After much hype for the big reveal, BBC finally revealed Pearl Mackie as the next person who will board the TARDIS long term.

Not only that, BBC also released a special two-minute teaser of Mackie's character, Bill, caught in a dangerous situation with The Doctor in which Daleks are involved.

The short clip did not specify if Bill is human or a human-like alien, but then again, humans are just as weird looking in Doctor Who. Remember The Face of Boe, who turned out to be Captain Jack Harkness?

How about Lady Cassandra, the last pure human whose intentions - and physical appearance - you can just see through?

The video clip mostly shows Peter Capaldi's Doctor running away from the Daleks with Bill - who has a lot of questions about Daleks - and their short conversation alone, our inner Whovian is already excited to watch the two in action.

Mackie is a talented London theater actress and she is currently performing in the West End production of The Curious Incident of the Dog in the Nighttime.

"It is a genuine delight to welcome Pearl Mackie to Doctor Who. A fine, fine actress with a wonderful zest and charm, she's a refreshing addition to the Tardis and will bring a universe of exciting new possibilities to The Doctor's adventures," Capaldi said.

The only no-so-delightful thing about the video is when the Twelfth Doctor mentioned that they both had to return to the future, which is 2017, because we all know that is exactly when Doctor Who will return to television screens instead of Autumn 2016. Watch the revelation video below.

Yes, Bill, we wondered about those Dalek plungers, too, but we suppose plungers played a big role in the life of Davros before he created Daleks.

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