Businessman Steve Tisch joins the Sharks. Included: Sisters from Illinois pitch cookie dough that's meant to be eaten unbaked; the makers of organic flavored milk claim it tastes like what's left at the bottom of the cereal bowl; boxer Marlen Esparza helps demo an interactive workout technology. Also: an update on a protein-infused water invested in by Daymond John in Season 4; and a phone app for panoramic picture taking.