Complex sentence: The episode was quickly dubbed "trial by television", and caused serious misgivings in the corridors of power in the television world and beyond, causing the ITV senior management to be ultra-cautious in future.
Split into simpler sentences: The episode was quickly dubbed "trial by television", and caused serious misgivings in the corridors of power in the television world and beyond. It caused the ITV senior management to be ultra-cautious in future.