Other networks are announcing their season finales this week but TNT is putting up dates for when its shows are coming back and when new series are debuting this summer. The network announced that the Dwayne Johnson reality competition show The Hero will premiere on June 6 at 8 PM. The Electus produced show aims to push its contestants to see if they have what it takes to be heroes. Another new competition series 72 Hours will debut right after at 9 PM on June 6. 72 Hours drops three new competing teams of strangers into the wilderness with only a single bottle of water and a GPS tracking device with three days to find a briefcase of cash and win a $100,000 prize. Starring Jon Tenney and Rebecca Romijn, new private eye drama King & Maxwell premieres on June 10 at 10 PM.