Plot: This week's episode of the family-friendly series from executive producers Ellen DeGeneres and Steve Harvey features an adorable 4-year-old singer whose You Tube videos have been viewed by more than 80 million people, an incredible contortion and acrobatic youth cirque troupe and a young female wrestler. Other extraordinary kids appearing include piano-playing brothers from India, an inspirational singer and a young girl who became a viral sensation after dressing up as a hot dog on "Princess Day