If you want an example of how not to do a spin-off, look no further than this monstrosity. This might as well be the equivalent to a snuff film due to its infamy and how much it butchered the Ren and Stimpy franchise.
TV
Ren and Stimpy Adult Party Cartoon Review and Mega Rant
Review by @antonireviews · 3633d · of Ren & Stimpy "Adult Party Cartoon"
Comments · 1
I don't believe I ever actually watched it, but I remember it being from the Ren & Stimpy creator John Kricfalusi at the least