Author: Matthew Wilson, Special to USA TODAY

On Friday’s “Shark Tank,” a family of entrepreneurs offered the sharks an eco-friendly and safer alternative to get rid of insects than pesticides.

On Sunday’s “Shark Tank,” a former high school science teacher and entrepreneur was on a mission to save man’s best friend from the effects of aging.

In a wacky “Shark Tank” pitches, an unemployed inventor pitched a pump to dispense peanut butter. But even “connoisseur” Kevin O’Leary balked.

Sarath Malepati, inventor of the immune support EZC Pak, asked for $125,000 for 5% percent of his company on “Shark Tank,” but got a cool reception.

It sounds creepy, but ‘Shark Tank’ stars bit on Eterneva, which turns human or pet ashes into wearable diamonds

On Sunday’s “Shark Tank,” there was no winner winner, chicken dinner. Vegan fried-chicken makers Jonathan and Deborah Torres turned down a deal.

Gwen and Christine Nguyen own Mavens Creamery, a California-based macaron ice cream sandwich maker. They were asking the sharks for $400,000.