May 8th, 1984 - Joanie (Erin Moran) and Chachi (Scott Baio) got married on ABC-TV's "Happy Days."

http://www.chicagonow.com/blogs/improvised-blog/assets_c/2010/05/abc_tv_weddings_happy_days_090505_ssh-thumb-572xauto-147822.jpg

....Joanie and Chachi not only "jumped the shark", they were eaten by it as well.

:tv:

This was the final shark jump in a long line of shark jumps. The first shark jump happened when...uh, Fonzie jumped the shark.