Microscope shots of mites. Cheese mites devour a piece of Gorgonzola. Once the cheese has gone, there is nothing left but mites. An off screen hand turns the pile of mites over (yeuck!) A piece of cheddar cheese is put on top of the pile of mites and it is engulfed by the mites. The fig mite in x-ray and in C/U. Bulb mites. X-ray shots of mites developing inside eggs. We see the legs forming and the mite hatching. It emerges from the egg trailing the shell behind it. It embarks on a life "devoted to tidying up the universe". C/U of legs of the bulb mite. The mite draws in its legs and develops armour if it hasn't enough food. It attaches itself to another creature to find another home. C/U of male and female bulb mites. Beetle mite eats dead leaves. "He looks rather like a pincushion come to life".
Other mites in C/U "like painted and decorated super spiders". Because some of the tiniest mites can only be seen under a microscope "nature must have decorated them like this for the fun of the thing". The narrator observes that a particular mite looks like it is wearing a crinoline. C/U of claws of a mite that lives in a haystack. Water mites have fringes on their legs. The action of its legs would be perfect for channel swimming.
The "black sheep" of the mite family is the false scorpion. It openly lives "a life of crime". He is "armed to the teeth". An unsuspecting fly is engaged in a "wash and brush up" This section is illustrated by fantastic animated models of a fly and a false scorpion. The fly looks very much like our old friend "Bertie" (see "Scarlet Runner & Co." ) . (The animation is charming and funny! ) The false scorpion attaches himself to the fly and is carried along as the fly speeds along.
Note: Four prints exist - check for best quality.