Going up in front of the sharks on "Shark Tank" can be a life-changing opportunity. Many budding entrepreneurs got the financing they needed to get their products and services off the ground, and you ...

Throughout the years, all kinds of pitches have made it to Shark Tank. From genius inventions to whimsical ideas, the show gave the opportunity to meet real investors to a wide variety of presenters.

"Shark Tank" wouldn't be as fun to watch if it wasn't for the odd terrible pitch. Here are the 15 most head-scratching pitches in the history of the show.