2. Inner-city teacher pitches proposal

An inner-city teacher tries to sell the Sharks on his unique way to get children to learn; the owner of a gourmet food business watches the Sharks fight for a piece of the action; an astonishing offer is made for one life-saving idea.

3. Entrepreneurial novice

An entrepreneurial novice makes a less-than-stellar presentation to the sharks; a father-son duo pitches a proposal for a revolutionary new musical product.

4. Graffiti-removal business

An entrepreneur originally from Ghana wants an investment for an Internet business; a man from California wants to franchise his graffiti-removal business.

5. Body Jac

Three of the sharks make a deal for an innovative Internet company, but before the deal can be sealed, a battle ensues and one of the sharks is ousted.

6. Chicago entrepreneur plays hardball

A young Chicago entrepreneur plays hardball with the sharks while seeking funding for an innovative Internet business.

7. A housewife charms the male sharks

A housewife from Charleston, S.C., charms the male sharks; a college student pitches a product made from soy that he creates in his mother's kitchen.

8. Overconfidence could blow a deal

A young entrepreneur's overconfidence could blow a deal with the sharks; Kevin O'Leary follows an entrepreneur out of the Shark Tank to get the last word after being outbid by another shark.

9. Preventing cancer in pets

A veterinarian's product claims to prevent cancer in pets; virtual arcade; a Texas designer pitches a line of fashionable clothing for women.

10. Unusual business proposal

A man wants an investment from the sharks to create an extension of his already successful business; a urologist has an unusual business proposal.

11. Salad dressing mix; golf ball cleaner

Things get heated when the sharks ask a husband-and-wife team to clarify the actual value of a childcare business; a chef's salad dressing mix is removed from store shelves because of offensive packaging; a golf ball cleaner.

12. An idea for a portable hand degreaser

Two Texas bicyclists have an idea for a portable hand degreaser; a college student is passionate about his environmentally friendly clothing line; the sharks find out if lifelong entrepreneur Cactus Jack lost at least 35 pounds to seal a deal.

13. Old-fashioned ice cream men

A California entrepreneur wants to bring back old-fashioned ice cream men; a couple's pitch is about providing legal services at a coffee house; an update on the sharks' venture with an Arizona woman and her unique plush toys.

14. A man reinvents the umbrella

A woman begins her presentation with shoe fashions; sisters from Chicago present a hilarious pitch; a man from Florida reinvents the umbrella.