When Kelly is seen tailing Damian, her Mustang II has license plates that end with the letters "ASB". While tailing him she follows him into the parking lot of a martial arts studio where her Mustang II now has plates ending in the letters "UBO".
When Timothy Dalton is rappelling from the rooftop, his heel is over the edge, feet facing the building, as a rappeller's feet would be. Then it cuts to a shot looking down the building, and his toes are hanging over the edge and he is facing away, as if preparing to do an Australian rappel.
Although she isn't shown driving it until her twelfth episode (Cruising Angels (1979)), Sabrina's orange Pinto - seen parked outside the Townsend Agency building - was indeed used by her replacement, Tiffany Welles. You'd think after three years the company could afford a nicer - and less conspicuous - car. Perhaps the fault lies with the notoriously stingy Bosley.
There was no reason for Jill to pull her gun out on Damian on the roof, when she could have done so in the dressing room, after he stole the diamond, safely opening the door and calling out to the other angels. Also, after he kicked the gun off her hand, there was no reason to do karate on him. Simply running back inside would have sufficed, and have him picked up once he hit the ground. No other reason but for show.
A woman would do her hair for a formal affair after taking a shower, not before, yet the woman who is robbed goes shower with her very elegant evening bun. Also, once she is out and back in her bedroom, her bun looks flattened and different than when she stepped into the shower.