Thom Holbrook's Crossovers Spinoff Master List Thom Holbrook watches a lot of TV. His far-reaching knowledge of sitcoms and TV dramas, mostly from the '70s through '90s, makes this site a gem, even for casual TV viewers. You might know that Angel spun off of the current hit Buffy, the Vampire Slayer, and you might recall the torturous, soapy path from Beverly Hills 90210 to Melrose Place to Models Inc., but can you remember all five spin-offs from All in the Family? Or name all 17 spin-offs and crossover episodes from the Star Trek franchise? Who knew the television world was so small? (in Television)
