Raegan Revord, who plays Missy on "Young Sheldon," believes it makes sense for viewers to watch the prequel series before "The Big Bang Theory." In an interview, Revord mentioned that she had never watched "The Big Bang Theory" but thinks it would be cool for people to start with "Young Sheldon" and then move on to the original show. By doing so, viewers can see where the characters' quirks and catchphrases originated.

The debate between watching shows in chronological order or release order has been ongoing among fans for franchises like "Star Wars" and the Marvel Cinematic Universe. Similarly, "The Big Bang Theory" has its own timeline considerations.

Watching "Big Bang Theory" first allows viewers to be aware of the characters' established traits and understand their origin stories as depicted in "Young Sheldon." For example, Sheldon's famous catchphrase "Bazinga" is initially nonsensical, but "Young Sheldon" reveals that a novelty company had the slogan "If it's funny, it's a bazinga."

Ultimately, it comes down to personal preference and how viewers want to receive information. Revord drew a comparison to watching "The Hobbit" before "Lord of the Rings" as a way to understand a character's backstory before their introduction in a later installment.

However, some fans may choose to watch shows in the order they were released.

Regardless of the viewing approach, the important thing is for viewers to start watching and engaging with the story. Whether someone begins with "Young Sheldon" or "The Big Bang Theory," the key is to take that first step into the world of the show.