Complex sentence: With a highly popular police drama on each commercial network the production company was booming, however in 1975 and 1976 "Homicide", "Division 4", and "Matlock Police" were all abruptly cancelled.
Split into simpler sentences: With a highly popular police drama on each commercial network the production company was booming. However, in 1975 and 1976, "Homicide", "Division 4", and "Matlock Police" were all abruptly cancelled.