Because you like Sarah O'Brien in Downton Abbey

Fiery and adventurous, Amy Pond is the sort of woman you'd want by your side on a journey through time and space. See them in Doctor Who.

Though he may be blind, Chirrut Imwe sees the power of the force more than most. See them in Rogue One.

With a song always on her lips and her heart on her sleeve, Maria von Trapp is the governess every kid dreams of. See them in The Sound of Music.

Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.

Protecting Earth from mystical threats and training new members, Ancient One has her hands full with her latest recruit Stephen Strange. See them in Marvel Cinematic Universe.

For Morgana, sometimes wanting to do the right thing can led you down the wrong path. See them in Merlin.

Donna is boisterous and spunky traveller of the TARDIS, exploring worlds beyond the simple mundane enterprises of Earth. See them in Doctor Who.

CIA operative Carrie Mathison is on a self-assigned mission to follow a lead, whether it be the truth or just her delusions playing tricks. See them in Homeland.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.

Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.