The Streets of San Francisco
The Most Deadly Species
TV Flash files “The Most Deadly Species” as hour 52 of 120 in the TV Flash guide — The Streets of San Francisco (1972–1977) on ABC, season 3, episode 2, aired 1974-09-19, 60 min.
From the desk
How this hour is filed
This leaf is S03E02: listed hour 52 of 120 in the The Streets of San Francisco guide, hour 2 of 23 in season 3. It aired 1974-09-19 (60 min). The listed hour before it is “One Last Shot” (S03E01). Next is “Target: Red” (S03E03).

Catalog log
Broadcast listing — not a TV Flash recap.
A traveling hit-woman seduces Inspector Keller, gaining valuable intelligence for her San Francisco assignments. A mob hired her to help win a gang war, which Keller is investigating. Keller's superior Lt. Mike Stone hears wedding bells, but death knells are more likely as she's living in a bay-side apartment next to the younger, love-struck Keller.
Viewer FAQ
Where does The Most Deadly Species sit in the The Streets of San Francisco guide?
S03E02 is listed hour 52 of 120 — hour 2 of 23 in season 3, season 3 episode 2.
When did The Streets of San Francisco S03E02 air?
The Most Deadly Species aired 1974-09-19 and is listed at 60 minutes.
Malden and Douglas, or the later partner?
Start with Malden and Douglas — the mentor pairing that launched a movie star. Hatch arrives after Douglas leaves; the city remains.
In the series
Why this series still plays
Karl Malden's veteran cop drags a young Michael Douglas up those hills, and the city itself does half the blocking. Location-heavy Quinn Martin crime, cable-car glamour, mentor grit. Partnership chemistry that actually launched a movie star, filmed on streets that never look like a backlot.
ABC put Quinn Martin on actual pavement and let San Francisco do half the blocking. The Streets of San Francisco (1972–1977), from Edward Hume, ran five seasons, 120 episodes: Karl Malden's veteran Mike Stone dragging a young Michael Douglas's Steve Keller up those hills. Heavy on-location shooting made the city a character; the theme and photography refused the backlot. Richard Hatch later arrived as Insp. Dan Robbins after Douglas left toward a producing and film career. Mentor/protégé casting that actually…
Open the The Streets of San Francisco package · Season 3 hub
Filed against
- Karl Malden as Det. Lt. Mike Stone
Karl Malden’s Det. Lt. Mike Stone dragged a young Michael Douglas up The Streets of San Francisco — location-heavy Quinn Martin crime, cable-car glamour, mentor grit. Partnership chemistry that actually launched a movie star, filmed on…
- Michael Douglas as Insp. Steve Keller
Michael Douglas’s Insp. Steve Keller climbed The Streets of San Francisco’s hills behind Karl Malden — 1970s Quinn Martin crime, location-heavy blocking, cable-car glamour, mentor grit. Partnership chemistry the city itself helped stage.…
- Richard Hatch as Insp. Dan Robbins
Richard Hatch’s Captain Apollo gave Battlestar Galactica its earnest Viper-jock spine — the good son in a ragtag fleet, square enough to make the space opera feel like a duty. Streets of San Francisco and Survivor keep the file from being…