Documentary charting the rise of package holidays in the 1970s, discovering how Brits swapped staycations for fun in the Mediterranean sun. Plus, a look at how Benidorm became a popular go-to destination, and modern day holidaymakers board a retro airplane to get the full 1970s flight experience. And some of the travel shows and presenters of the period who tempted many abroad, from Cliff Michelmore to Judith Chalmers