It may not surprise many fans, after plenty of one-liners alluding to the sexuality of the Doctor’s wife, but Steven Moffat recently outed River Song as bisexual on Twitter while giving an interesting tidbit about Gallifreyan equality views.

The tweet came as a reaction to a question about the Doctor’s views on sexuality. You can see it below.

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@lizzehmarie Both of whom are happily bi. He comes from a world where such narrow views seem so ridiculous they’re hard to remember — Steven Moffat (@steven_moffat) May 11, 2012

It’s certainly a fun little detail to know about the mysterious time-traveller, but perhaps even more engaging is the revelation that sexuality isn’t even discussed on Gallifrey – people are simply accepted as the same no matter who they are attracted to.

What do you think of these fascinating new facts?