From The Ridiculous To The Sublime
If your children aren't quite ready for The Nutcracker Suite live and in person (or in Rat, as the case may be), YouTube-sized chunks viewed full screen are a nice seasonal substitute. The American Ballet Theater, a YouTube member as of 3 months ago, has posted the classic Kirkland-Baryshnikov 1977 Nutcracker in 8 parts (embedding disabled, unfortunately).
For something only slightly less highbrow, you might also enjoy seeing a law student blow his legal writing memorandum to smithereens (via the (new) legal writer):