Complex sentence: Sixteen of the original cast members reunited for the movie and its success could have led to additional Mayberry programs, but Griffith was committed to "Matlock" for the 1986-87 season.
Split into simpler sentences: Sixteen of the original cast members reunited for the movie. Its success could have led to additional Mayberry programs, but Griffith was committed to "Matlock" for the 1986-87 season.