Magnum, P.I. S03E01 - Did You See the Sunrise? (1)

The past comes back to haunt T.C. when an old war buddy arrives claiming that the brutal Colonel who held them captive in a Vietnamese P.O.W. camp is after them once again. Initially, T.C. doesn't take the warning seriously, but he and Magnum soon find themselves in a heart-pounding race against the clock to find their would-be killer before he finds them.

This episode originally aired as a movie, it was later split into two parts for syndication.