Complex sentence: One night they go to a school charity event, and are hypnotised by a hypnotist called Ming and everytime someone says the word MING in any sentence, the parents turn into children, much to the embarassment of Kate and Simon.
Split into simpler sentences: One night they go to a school charity event, and are hypnotised by a hypnotist called Ming. So now everytime someone says the word'ming' in any sentence, the parents start to act like children, much to the embarassment of Kate and Simon.