Tiffany Haddish hosts Shark Week! While her fantasy was to uncover the secrets of shark sex sailing on the fanciest yachts, surrounded by friendly sea creatures and pampered by a handsome merman, she's in for the sharkiest of wake-up calls.

Rumor has it that two of the largest sharks in existence have been recently roaming New Zealand waters, but nobody knows which one is the largest. Brandon McMillan and Dickie Chivell are heading out to see which one takes the cake -- Phred or Slash?