The best of TV and streaming this week

Joanna Lumley and Jennifer Saunders bring Ab-Fab sparkle to BBC1’s ‘Amandaland Christmas Special’; Mark Gatiss’s ‘Ghost Story for Christmas: The Room in the Tower’ is an eerie spine-chiller; a liberal couple move to Maga country in the unintentionally comic ‘The Hunting Wives’; the rip-roaring ‘Amadeus’ pits Paul Bettany’s Salieri against Will Sharpe’s Mozart; ‘Breakdown: 1975’ celebrates a year of American film classics; ‘Taylor Swift: The End of an Era’ goes behind the scenes of the Eras tour — reviews by Rebecca Nicholson