My favourite lines from this episode have always been - "We sit on the old cardboard tombstones round the plastic coffins...and we indulge in philosophical analysis. We formulate our plans for our Brave New World; Gladys takes it down in her notebook and when she’s filled it up we’re going to publish it. We’re calling it "A Thesis on the Reconciliation of Homo-Sapiens in Relationship with his Natural Destiny and the Theory of Selective Evolution". - and then Bill and Sid proceed to take the piss by speculating on the possibiity of turning it into a musical- "When you’ve got Ho-mo-sap-iens,And se-lect-ive ev-o-lu-tion,La de da-di..."
Have sampled this on the DD album. Don't tell anyone though.