Holly: Purple alert! Purple alert!
Lister: What's a 'Purple Alert'?
Holly: Well, it's sort of like, not as bad as a red alert, but a bit worse than a blue alert. Kind of like a mauve alert, don't want to say 'mauve alert.'
Rimmer: Holly, wipe the rabid foam from your chin and start again.
Holly: There's some sort of disruption to the time-fabric continuum. At least, I presume that's what it is, it's certainly got all the signs. There's this big wibbly-wobbly swirly thing that's headed straight towards us.