The empty chamber that held Dune is tinted or stained orange-yellow here, but it was the same colour as the others in the previous episode.
When Vira climbs out of the cryogenic capsule, the styrofoam comprising the capsule sqeaks.
Vira: Your comrade is a romantic.
The Doctor: Perhaps we both are…
The Doctor: Shot me, did he? Cut off in mid-sentence. I might have been saying something important. I was saying something important!
Sarah: Doctor, are you all right?
The Doctor: Blinding headache, that's all. I hate stunguns.
The Doctor: When I say I'm afraid, Sarah… I'm not making jokes.