Before They Were Superstars

Ep 1 Usain Bolt at 17

Before They Were Superstars

Ep 2 The Williams Sisters at age 11 and 12

Before They Were Superstars

Ep 3 Michael Phelps at 18

Before They Were Superstars

Ep 4 Kirani James at age 17

Before They Were Superstars

Ep 5 Alex Ovechkin at age 18

Before They Were Superstars

Ep 6 Patty Mills at age 18

Before They Were Superstars

Ep 7 Emily Seebohm at age 14

Before They Were Superstars

Ep 8 Nastia Liukin at age 16

Before They Were Superstars

Ep 9 Rafael Nadal at age 16

Before They Were Superstars

Ep 10 Allyson Felix at age 17

Before They Were Superstars

Ep 11 Roger Federer at age 19

Before They Were Superstars

Ep 12 Alina Kabaeva at age 17

Before They Were Superstars

Ep 13 Victoria Pendleton at age 26

Before They Were Superstars

Ep 14 Tom Daley at age 14

Before They Were Superstars

Ep 15 Yao Ming at age 18

Before They Were Superstars

Ep 16 Veronica Campbell-Brown at age 18

Before They Were Superstars

Ep 17 Neymar at age 17

Before They Were Superstars

Ep 18 Mariana Pajon at age 17

Before They Were Superstars

Ep 19 Yelena Isinbaeva at age 16

Before They Were Superstars

Ep 20 Saina Nehwal at age 19

Before They Were Superstars

Ep 21 Kohei Uchimura at age 21

Before They Were Superstars

Ep 22 Candace Parker at age 20

Before They Were Superstars

Ep 23 Carolina Kluft at age 17

Before They Were Superstars

Ep 24 Julia Mancuso at age 19

Before They Were Superstars

Ep 25 Sarah Sjostrom at age 17

Before They Were Superstars

Ep 26 Ai Fukuhara at age 16

Before They Were Superstars

Ep 27 Lydia Ko at age 15

Before They Were Superstars

Ep 28 Mutaz Barshim at age 19

Before They Were Superstars

Ep 29 Martina Sablikova at age 19

Before They Were Superstars

Ep 30 Caroline Wozniacki at age 16

Before They Were Superstars

Ep 31 Adelina Sotnikova at age 17

Before They Were Superstars

Ep 32 Katie Taylor at age 21

Before They Were Superstars

Ep 33 Majlinda Kelmendi at age 19

Before They Were Superstars

Ep 34 Ty Walker at age 14

Before They Were Superstars

Ep 35 Rafaela Silva at age 21

Before They Were Superstars

Ep 36 Julius Yego at age 24

Before They Were Superstars

Ep 37 Liu Xiang at age 20

Before They Were Superstars

Ep 38 Valerie Adams at age 21

Before They Were Superstars

Ep 39 Novak Djokovic at age 21

Before They Were Superstars

Ep 40 Jessica Ennis-Hill at age 23