When it comes to referring to popular television programs that air during peak viewing hours, there are several synonyms for the phrase "prime time show". Some alternatives that capture the essence of this concept include "hit series", "top-rated TV show", "network favorite", "must-see TV", and "appointment viewing". These terms all imply that the program in question is widely watched, has a dedicated following, and is considered to be of high quality or cultural significance. Whether you're discussing a long-running drama, a sitcom sensation, or a groundbreaking reality show, there are many ways to describe a prime time program that has captured the hearts and minds of audiences.