The Discovery Channel is getting in on the celebration of the 50th anniversary of "Jaws" as its annual "Shark Week" hits the air on Sunday, July 20.

When is Shark Week? This year's Shark Week runs from Sunday, July 20 through Saturday, July 26. Programs will air from 8 p.m. to 11 p.m. each day except Saturday, which will close out the event at ...