How I saw this episode ending...
Sir Richard: "Come, my new friends...Let us finish what YOU have begun."
Blackie: "Hey, Chief, I think you're undogging the OUTER HATCH..."
Mildred: "Yeah, didn't we just come THROUGH that thing?"
Sir Richard: "Nonsense...I've been trapped here for days...I know this craft better than the back of my OWN EYEBALLS!!!
All (apart from Sir Richard): "NOOOOOOOOOOOOOOOOOOOOOOO!!"
Sir Richard: (mutters under his breath) "...This'll teach you to forget about Gerry..." (final twist on wheel)
*roll*
*BOTCH*
Sub implodes.