Complex sentence: The four episodes were produced and they aired in consecutive weeks, but the network interference that had almost caused the show to be still-born reared its ugly head when the first episode's introductory bit was cut just before air.
Split into simpler sentences: The four episodes were produced and they aired in consecutive weeks. But, the network interference that had almost caused the show to be still-born reared its ugly head right from the start when the very first episode's introductory bit was cut just before air.