Ironside

The Hidden Man (7x11)

Air date: Nov 29, 1973

A returning Vietnam vet sees his supposedly dead father at the airport, and initiates a search for him against the Commissioner's wishes. The father, a one time member of the SFPD, turns out to be in hiding from a crime family eager to kill him for his part in their downfall, and the last thing that he wants is to be found.