Three men from Pawtucket, RI hope the Sharks will go nuts over their fortified, sugar-free nut butters; a mom from Pacific Grove, CA says her stylish acupressure wrist band will provide relief for people with nausea; two men from Westminster, CO want the Sharks to jump onboard their at-home tattoo removal device; and a woman from Magnolia, AR brings the Sharks her prototype for a women's shoe design where a stiletto heel can be switched out for a wedge. Also, an update on Mark Hartwick & Sarah Ponn from Bedford, NH and Surfset, their surf-inspired fitness equipment and program which Mark Cuban invested in earlier this season.

Episode Viewers and Ratings

Season 4 Episode 18 of Shark Tank resulted in a 1.90 rating in the 18-49 demographic.

Shark Tank Season 4 Episodes...

• s04e01 - Season 4, Episode 1
• s04e02 - Season 4, Episode 2
• s04e03 - Season 4, Episode 3
• s04e04 - Season 4, Episode 4
• s04e05 - Season 4, Episode 5
• s04e06 - Season 4, Episode 6
• s04e07 - Season 4, Episode 7
• s04e08 - Season 4, Episode 8
• s04e09 - Season 4, Episode 9
• s04e10 - Season 4, Episode 10
• s04e11 - Season 4, Episode 11
• s04e12 - Season 4, Episode 12
• s04e13 - Season 4, Episode 13
• s04e14 - Season 4, Episode 14
• s04e15 - Season 4, Episode 15
• s04e16 - Season 4, Episode 16
• s04e17 - Season 4, Episode 17
• s04e18 - Season 4, Episode 18
• s04e19 - Season 4, Episode 19
• s04e20 - Season 4, Episode 20
• s04e21 - Season 4, Episode 21
• s04e22 - Season 4, Episode 22
• s04e23 - Season 4, Episode 23
• s04e24 - Season 4, Episode 24
• s04e25 - Season 4, Episode 25
• s04e26 - Season 4, Episode 26

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.