Final answer:
The Dallas Cowboys Cheerleaders had a TV show special in 1978 called 'America's Sweethearts: The Dallas Cowboys Cheerleaders' that provided a behind-the-scenes look at the famous cheerleading squad.
Step-by-step explanation:
In 1978, the Dallas Cowboys Cheerleaders had a TV show special titled America's Sweethearts: The Dallas Cowboys Cheerleaders. This special showcased the cheerleaders and their routines, providing a behind-the-scenes look at what it took to be a part of this famous cheerleading squad at the time. Although today there is a reality television series titled Dallas Cowboys Cheerleaders: Making the Team, it did not exist in 1978; instead, viewers were given a unique insight into the lives and performances of the DCC through the America's Sweethearts special.