Work Advent Calendar 2017 Day 12: BBC1 and Channel 4 trailers, 1988

A grab-bag of both - on BBC1 the second time Del, Rodney and Albert had been pressed into promoting the double issue Radio Times, Bread going abroad together like it's 1974 and a mention of Blackadder's Christmas Carol featuring a clip not from that show, while Channel 4's styling is just as impressionistic as you'd expect from them in the late 80s.