>We've talked about these before. Wasn't Greenacres an offshoot of Petticoat Junction, itself the offshoot from BHB?

I don't which order they came in, but all three were related.

>But this isn't the same thing. They're not connected other than someone's seen a winning formula in House and taken it over to a courtroom scenario (or vice versa?)

Repeating a winning formula is standard for TV and movies.

Tamar