The durable, fascinating, and celebratory how-it's-made show "Unwrapped" ran often on Food Network for more than a decade, capably and authoritatively hosted by TV stalwart Marc Summers.

Popular subjects include candy, breakfast cereal, snacks, and TV dinners. The show's spin-off, Trivia Unwrapped, is a game show also hosted by Marc Summers.

All episodes of Unwrapped TV series Trending 'The Fantastic Four: First Steps' Trailer 'A Minecraft Movie' Exclusive Interviews 'Superman' Sneak Peek 'The Naked Gun' Trailer ...

This was just one of the facts imparted in Supermarkets Unwrapped: The Freezer Aisle (Channel 4), a programme that began by sticking to its brief but then tootled off in other directions.