Sledge Hammer! (1986)

Season 1: Episode 8

When the press reveals that Capt. Trunk is scheduled to testify against a mob boss, Hammer is assigned as his bodyguard. In an attempt on his life Trunk is wounded and taken to the hospital. Sledge decides to make a bogus report that the captain’s been killed, but an assassin learns Trunk is still alive and infiltrates the tightly secured hospital posing as a physician.