Season 50, Episode 24: "Dog Day Engineers"
Topic: Engineer
Debut date: SATURDAY, APRIL 25 (9:00-9:30 a.m. ET/PT)
Zoe and Rosita help Nina dog sit but their arms get tired after continuously throwing the balls. They don't give up and keep thinking of a way to solve this problem. They figure out how to design a bike-powered ball-throwing machine they can pedal using their feet. They are two real engineers!
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