Each species has undergone eons of beta testing: animal vs animal, animal vs element, and even animal vs human. Take a peek under the 'hood' of these incredible critters. What does it take to make them top performers?
S1 E2 Jun 29 @ 6:50AM
S1 E2 Jun 29 @ 10:55AM
S1 E2 Jun 29 @ 5:25PM
S1 E1 Aug 07 @ 10:45AM
S1 E1 Aug 07 @ 3:40PM
S1 E1 Aug 07 @ 10:00PM
S1 E1 Aug 08 @ 3:25AM
S1 E1 Aug 10 @ 8:25AM
S1 E1 Aug 10 @ 2:15PM
S1 E1 Aug 10 @ 10:30PM
