TV Squad's list of TV's Most Memorable Female TV Characters had quite a few space travelers in the mix, but there are more strong sci-fi ladies we simply had to pay tribute to.

As this essential chart from Overthinking It makes clear, "strong" female characters are not flawless specimens capable of kicking butt at the drop of a hat. They're complicated, flawed, contradictory, unpredictable and -- this is important -- as charismatic, heroic or disappointing as the leading male characters on their shows.

Sci-fi shows aren't always kind to women -- too many have used female characters as inessential eye candy over the years -- but the women below are unforgettable examples of thoughtful writing memorably melding with terrific acting.