So I didn't realise until it started picking up attention, but the xkcd comic Time was updated every 30 mins, then every hour, to reveal a very slow-moving film of 3,099 panels.

You can scroll through the whole thing here:

http://geekwagon.net/projects/xkcd1190/

Or read more about it here, which links to it as a 40-minute film if you prefer:

http://www.wired.com/underwire/2013/08/xkcd-time-comic/