When did Shark Tank Season 9 Episode 4 air?
Shark Tank Season 9 Episode 4 aired on October 15, 2017 at 9 PM ET.


The next bright idea is out there.
Aspiring entrepreneurs pitch various business ideas to "The Sharks" -- tough, self-made, multi-millionaire and billionaire tycoons -- in hopes of landing an investment.

Professional football player Rob Gronkowski and his brothers pitch an insulated sports bottle; a tool that quickly soothes foot pain; a twist on a popular snack; an innovative way to keep belongings safe.
Direct answers for episode-level questions and details.
Shark Tank Season 9 Episode 4 aired on October 15, 2017 at 9 PM ET.
This episode runs for approximately 42 minutes.
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