Rube Goldberg, for those not in the know, was a Pulitzer Prizewinning cartoonist who is today best known for his cartoons showing convoluted ways to perform simple tasks like opening doors or wiping a mouth with a napkin. To this day people still design contraptions that do this. Then they film them. And that's where we come in.
You may well have already seen this Honda ad, which took 600 takes or so to get right. It's not that it was so complicated, but Garrison Keillor kept screwing up the last line. (Kidding.)
Have you seen this one? A guy in an office spent the whole night putting this together.
There's more of these clips - I just picked the relatively short ones...