Has there ever been a gender-changing Time Lord before?
44853
Can the Doctor be female?
151587
Are there in-universe explanations for how some species' appearances change between series?
115362
Is my baby's gender an example of Schrodinger's cat?
50862
Boy and girl paradox is driving me crazy
52298
Has there ever been an actor who has portrayed the Doctor, but was previously featured in the series as another character?
57926
Including name change for transgender person in genealogy
16853
"Time Lords" and "Gallifreyans". What's the difference?
59027
Can a Muggle inadvertently create a horcrux-like object?
86108
Is it the TARDIS that allows the Doctor to speak baby?
26354
Is anti-matter matter going backwards in time?
88142
Have Kylo Ren's Force abilities been shown before?
63515
Gay rights – does Star Trek ever address this issue?
39151
What triggers a lycanthropic change in the Potterverse?
37999
Are all Gallifreyans able to regenerate?
5158
Is there a grandfather paradox in Endgame?
121748
Does Tolkien ever refer to "Men" as Humans?
141112
Are other human spirits reincarnated in the world of Avatar: The Last Airbender?