The note about the BCG jab at 20 seconds says it was on Friday 13th November. November 13 was on a Thursday in 1986 (the match ticket stub in the opening titles is correct stating that November 16 was on a Sunday. November 13 was on a Friday the following year in 1987.
The show opens with Always On My Mind by The Pet Shop Boys. This story is set in 1986vbut the record wasn't released until November 1987, topping the UK charts at Christmas that year.