UK Doctor Who
"What an actor. Oh, really though, what a wonderful actor."
Because the James Webb Space Telescope isn't the only time-traveller.
The US actor previously worked with showrunner Russell T Davies on the drama It's A Sin.
Doctor Who fans had a lot of thoughts after Ncuti posted a cryptic comment about himself and the Derry Girls star.
"This show has a place in so many people’s hearts, so to be seen as a trans actress by the legend himself Russell, has not only made my year, it’s made my life."
“Maybe this is a missing story. Or a parallel world. Or a dream, or a trick, or a flashback," teased Russell T Davies.
"A proper superstar. Doctor Who is so lucky to have him."
"There aren’t quite the words to describe how I’m feeling. A mix of deeply honoured, beyond excited and of course a little bit scared."
James' fellow US talk show host Stephen Colbert stirred the rumour pot and fans had a LOT of thoughts.
With Jodie Whittaker about to step down as the Time Lord, speculation is rife about who will be replacing her.