Keegan-Michael Key hosts, as Team Gronk with comedians Bobby Lee and guest Gabriel Iglesias compete against Team Venus with comedian Ian Karmel and guest pro basketball player J.R. Smith

GRAMMY nominated singer Demi Lovato joins Team Venus, and former UFC champion wrestler Ronda Rousey joins Team Gronk as they compete in a game of human bowling, race to climb a sailing mast the fastest and take to the skies in an air combat challenge.

James Corden, host of THE LATE LATE SHOW, joins Team Gronk, and soccer superstar Landon Donovan joins Team Venus, as they perform a half-time dance with the Laker Girls, take a leap of faith across sky-high platforms and soar through the air while competing in a game of alley-oop

Comedian Nicole Byer joins Team Gronk and former MLB All-Star David "Big Papi" Ortiz joins Team Venus as they compete in a life-sized game of human foosball, attempt to master rhythmic gymnastics and go head to head in a unique baseball drill.

Former NFL star Tiki Barber and comedian Ken Jeong guest in a variety of outrageous challenges as part of Team Gronk (Rob Gronkowski) and Team Venus (Williams).