TV tonight: Monty Don says goodbye to Gardeners’ World after two decades

He hangs up his trowel for the final time. Plus, a divorce courtroom showdown in Sienna Miller’s glossy drama War. Here’s what to watch this evening

TV tonight: Monty Don says goodbye to Gardeners’ World after two decades

TL;DR

  • Monty Don bids farewell to Gardeners' World after more than 20 years.
  • Return to Paradise season three begins with a murder at an art fair.
  • Unreported World investigates contract killers silencing whistleblowers in South Africa.
  • The Walking Dead: Dead City season three finale features a showdown between Dillard and Negan.
  • War, a divorce drama starring Sienna Miller and Dominic West, nears its conclusion.
  • The Graham Norton Show features guests Judi Dench, Alan Cumming, Nicola Coughlan, and James Blunt.
  • Film choice: Possible Love, a Korean drama exploring class and exploitation.
  • Live sport: Ireland v Argentina rugby match.