In this episode, the Father's car is shown parked in front of the family house. The kid is biking and pass behind the car :
It's a 1961 Lincoln Continental (1 star):




Later on the show, Anne Rogers (played by Veronica Cartwright)is almost being hit by a van :
It's a circa 1962 Ford Econoline Van (2 stars):

http://www.imcdb.org/vehicle.php?id=246669

http://www.imcdb.org/vehicle_246661-Ford-Econoline-1961.html


BTW, Melanie Daniels isn't your user name in IMCDB; which is it?

I thought I just had to register on the forum.
I just register on the IMCDB.
Same Name.
MD

Now it's OK.
Before your user name was in black and now in red with a link to your profile (comments posted and pictures provided)

Thanks !