How would the security guard know that the color of the getaway car was maroon when he was watching it on a black & white monitor?
When a cop advises other arriving officers that the last he knew, a getaway car was "headed east," the road the car goes on is actually one that runs north-south.
Each of the hookers they have contact with is said to have a card with four phone numbers on it. Why don't they use the criss-cross directory, as they have in other episodes? Seems like a strange lead not to followup.
Stone and Keller drive around in a green 1972 Ford Galaxie 500 sedan. Their usual car, a brown 1973 model, pops up in various scenes.
The map of San Francisco on the wall of Novack's shack is upside down.
For season two. Lt Mike Stone and Steve Keller's ride is a Light Brown 1973 Ford Galaxie 500 4-door hardtop sedan.
When Det. Stone was going under the freeway his top coat was blue, but when he visits the young hobo his coat is brown.
Keller is shown to live in a bowfront apartment, painted gray, #287.
A bus traveling Northbound on I-101 on its way to Oakland would have to go through San Francisco to get to the Bay Bridge. There is no reason for it to go all the way to Oakland then double back to make San Francisco the "end of the line".
Keller and Stone are homicide detectives, but in this episode they're out of their bailiwick, investigating a gambling racket that doesn't turn to murder until after they're involved.
Toward the end of the episode, Stone and keller board a Coast Guard hovercraft, which began speeding outbound toward the Golden Gate only to be seen moving the opposite direction with Alcatraz in the background. Basically, it started moving north and shortly later was seen moving southbound through the bay, hence in circles.
Actor Joby Baker plays "Sonny Lane", however the character is listed on the end credits as "Jamie Lane".
Stone and Keller's ride for the season was a 1971 Ford Galaxie 500 4-door sedan.