When you've been doing a show for so long, it's sometimes difficult to come up with new ideas. I get it, creativity is difficult. You've got to come up with new plots, new characters to introduce, new stories that your fervent fans will voraciously follow. But that's a tall order when you've been doing it for decades.
I still don't understand how I can come up with new words each and every day after doing this for 15 years.
And that's why most writers rooms keep something called a "Show Bible" that they've come up with and follow as the series progresses. It's not only there to help them keep the show on track to its ultimate culmination, but also ensures you don't repeat yourself. No one wants a story they've seen before. No one, Star Wars...