Plot: A self-proclaimed "culinary ninja" gives a poetic pitch for his delicious heat-and-eat paleo meals; a proud father and his 17-year-old son hope their high-tech device designed for catching fish hooks them an investment from the Sharks; a mother who has designed removable and reusable magnet stickers for hanging art; an energetic entrepreneur sells the Sharks on how he can turn a suit jacket into a tuxedo with customized lapels. Also, an update on the motion-activated toilet-bowl light, IllumiBowl, that Kevin O'Leary invested in during season 7