 When Lister learns that Kryten lied to her to spare her feelings, he smiles at knowing he has learnt well, especially when Kryten insults him for being responsible for what happened.For Series IV, recording of the show moved from the studios in Manchester to Shepperton Studios due to the old studio undergoing refurbishment.Shepperton turned out to be blessing to the show as it allowed for use of the sets for rehearsals in addition to recording.