(edit) If you're talking about the "blue" (colorized) car it's a '65 Chevy Corvair.



...and this is a '65 Chevy, I would say Impala based on the roof. If you can send us a taillight shot (I think the car goes into a moving van at one point) that will determine it for sure. (Update after posted pic: yep, that's an Impala.)

FWIW this is my favorite shot of the three, the most memorable shot of this car from this episode (it's floating sideways into the parking space).



Reddish one is a Cadillac, I'd say '63 or so. Also see a '64 or '65 Chevrolet Chevy II or Nova on the far right, behind the yellow one (Pontiac Tempest?).



Looks to be a '62 Cadillac limo, like the one that played the governor's car on a 1962 episode of "The Andy Griffith Show."