Complex sentence: When the show returned it was announced that there would be two showings per break one if the after noon and one if the evening and the show had been cut down to 1 hour with no break.
Split into simpler sentences: When the show returned it was announced that there would be two showings per break, one in the afternoon and one if the evening. It was also announced that the show had been cut down to 1 hour with no break.