This is the year of the bunker – at least, it is on TV. We kicked off in January, just as season two of Fallout (Amazon Prime Video) was getting going. It is a lively alternate history, set hundreds of years after the US was nuked, with a privileged few now living in subterranean “vaults”, while the rest inhabit a topside wasteland of monsters and mercenaries. Vault-dweller Lucy is looking for her...