Harry Potter and the Cursed Child is like pure Potter concentrate; that is to say, the plot twists come thick and they come fast, and they are all pretty much ridiculous. Here are the absolute craziest moments from the new play—some awesome, some outrageously horrible, but all of them completely insane.
Source: io9 – The 9 ¾ Most WTF Moments in Harry Potter and the Cursed Child