Hope I didn't spoil the episode at all for you. We do have very different endings as you can see...
(I know what it's like to read a parody of something then get confused when reading the original. This is why I can't read Macbeth. Or take Phantom of the Opera seriously (Discworld FTW))

That episode is one of my favourites. It's absolutely fantastic. Cabin Pressure just rocks generally *is smug because she has tickets to the Christmas special*