Final answer:
The television slot between 7:00 P.M. and 8:00 P.M. from Monday through Saturday is called prime access, a critical period before prime time.
Step-by-step explanation:
The slot between 7:00 P.M. and 8:00 P.M. from Monday through Saturday in common television dayparts for eastern and Pacific time zones is called prime access. This time period is highly valued for television programming because it leads into the prime time slot, where television viewership is typically at its highest. As such, it's an important time for networks and local stations to schedule programming that will capture viewers' attention and set the stage for their prime time line-ups.