This is the original series finale. It wasn't until Netflix picked the show up 7 years later that the show was able to continue. As it stands though, this is the finale of the show being a Show Case original.
Mamas and Papas singer Denny Doherty played the DEA agent but died from a kidney ailment several months before this episode aired. This episode is dedicated to him.
The Title of the episode is a play on the title of the film "A River Runs Through It" (1992).