Was I the only one that was a little confused during the Mateo and Diogo scene when Mateo, wearing his spacesuit and floating in space, opens his helmets visor to pull out some sort of (electric?) cable like it’s no big deal? How and why did they even show that, and also, how in the hell were there no adverse effects…

That's what Fuller said in another interview… he reached out, but they couldn't line up the scheduling, so they're going to wait and introduce that character next season and cross their fingers that he'll be available then