(He Who Eats 'ape is Bound to Have His Mouth Itch) Tani and Junior go undercover at a gym to track down a deadly batch of steroids that’s killing users, before the drugs claim any more victims. Also, Danny and McGarrett sub as bodyguards for Danny’s high maintenance ex-mother-in-law, Amanda Savage, a wildly famous romance novelist with whom he has never gotten along.
Elenco: Alex O'Loughlin , Scott Caan , Chi McBride , Grace Park , Daniel Dae Kim , Masi Oka , Jorge Garcia , Ian Anthony Dale , Meaghan Rath , Beulah Koale , Dennis Chun , Kimee Balmilero , Taylor Wily , Michelle Borth , Katrina Law .