Can you guess which of these classic shows are originals vs. Spin-offs?

We all have our handful of TV shows that hold a special place in our heart. You may be able to recite memorable lines with ease or quickly recall episode storylines with in the first 10 seconds of a rerun, but you might be surprised at a detail you forgot or didn’t even know. Do you know how many of your favorite TV shows were created as spin-offs of another show?