A towel designed for modesty when changing into and out of a bathing suit; a sweater-quilt combination; a way to keep wine fresh, a cake mix for dogs. Also: an update on a class-notes sharing site for college students. Guest shark: inventor Lori Greiner.

Episode Viewers and Ratings

Season 3 Episode 4 of Shark Tank resulted in a 0.00 rating in the 18-49 demographic.

Shark Tank Season 3 Episodes...

• s03e01 - Season 3, Episode 1
• s03e02 - Season 3, Episode 2
• s03e03 - Season 3, Episode 3
• s03e04 - A towel that allows for public changing
• s03e05 - Season 3, Episode 5
• s03e06 - Season 3, Episode 6
• s03e07 - Season 3, Episode 7
• s03e08 - Season 3, Episode 8
• s03e09 - Ingrin Michaelson helps an entrepreneur
• s03e10 - Season 3, Episode 10
• s03e11 - Season 3, Episode 11
• s03e12 - Season 3, Episode 12
• s03e13 - Season 3, Episode 13
• s03e14 - A dance fitness program
• s03e15 - Season 3, Episode 15

Shark Tank Show Summary

Shark Tank follows aspiring entrepreneurs as they present various business ideas to moguls (known as "the sharks") in hopes of landing an investment in their ideas. Each week, ambitious entrepreneurs present their breakthrough business concepts to ruthless investors to convince them to invest in the concept.