Complex sentence: A second two-hour special was then broadcast in the summer of 1984-in that programme it was announced that Micro Live would be back on BBC2 as a regular monthly one-hour series starting in October of that year.
Split into simpler sentences: A second two-hour special was then broadcast in the summer of 1984. In that program it was announced that Micro-Live would be back on BBC2 as a regular monthly one-hour series starting in October of that year.