Kevin Whately and Laurence fox return for one last time as Inspector Lewis and CS Hathaway, investigating new cases of murder and other crimes in the seemingly perfect academic haven of Oxford. Three final MASTERPIECE episodes air at a special time on Fridays in September on KTWU. INSPECTOR LEWIS — THE FINAL SEASON premieres Friday, September 9 with “One for Sorrow” followed by “Magnum Opus” on Friday, September 16 and “What Lies Tangled”, the final episode in the long running series, on Friday, September 23, all shown at 8 p.m. on KTWU-HD, Digital Channel 11.1.