The best of TV and streaming this week

‘Lord of the Flies’ gets its first-ever TV adaptation on BBC1; ‘The Muppet Show’ returns for a delightful one-off special; Mackenzie Crook’s new comedy ‘Small Prophets’ follows a lonely man railing against modernity; ‘Take That’ offers a heady dose of nostalgia; ‘Wonder Man’ is more indie buddy comedy than superhero story; there’s more forbidden love in season 4 of ‘Bridgerton’ — reviews by Rebecca Nicholson