BattleFrog Series returned to ESPN at the end of this month for the second season of the BattleFrog College Championships. The series builds off of last season with 64 athletes from 16 colleges battling it out to claim the top prize. The show is set to air on June 30, July 1, and July 2 on ESPN at 8pm ET, June 30 - July 2 on ESPN U at 10pm ET, and July 6 on ESPN 2 at 7-9pm ET.