<Tr> <Th> 47 </Th> <Td> </Td> <Td> "Murder, Smoke and Shadows" </Td> <Td> James Frawley </Td> <Td> Richard Alan Simmons </Td> <Td> Fisher Stevens </Td> <Td> 91 minutes </Td> <Td> February 27, 1989 (1989 - 02 - 27) </Td> </Tr> <Tr> <Th> 48 </Th> <Td> </Td> <Td> "Sex and the Married Detective" </Td> <Td> James Frawley </Td> <Td> Jerry Ludwig </Td> <Td> Lindsay Crouse </Td> <Td> 90 minutes </Td> <Td> April 3, 1989 (1989 - 04 - 03) </Td> </Tr> <Tr> <Th> 49 </Th> <Td> </Td> <Td> "Grand Deceptions" </Td> <Td> Sam Wanamaker </Td> <Td> Sy Salkowitz </Td> <Td> Robert Foxworth </Td> <Td> 89 minutes </Td> <Td> May 1, 1989 (1989 - 05 - 01) </Td> </Tr> <Table> <Tr> <Th> No. in series </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Murderer played by </Th> <Th> Runtime </Th> <Th> Original air date </Th> </Tr> <Tr> <Th> 50 </Th> <Td> </Td> <Td> "Murder: A Self Portrait" </Td> <Td> James Frawley </Td> <Td> Robert Sherman </Td> <Td> Patrick Bauchau </Td> <Td> 88 minutes </Td> <Td> November 25, 1989 (1989 - 11 - 25) </Td> </Tr> <Tr> <Th> 51 </Th> <Td> </Td> <Td> "Columbo Cries Wolf" </Td> <Td> Daryl Duke </Td> <Td> William Read Woodfield </Td> <Td> Ian Buchanan </Td> <Td> 90 minutes </Td> <Td> January 20, 1990 (1990 - 01 - 20) </Td> </Tr> <Tr> <Th> 52 </Th> <Td> </Td> <Td> "Agenda for Murder" </Td> <Td> Patrick McGoohan </Td> <Td> Jeffrey Bloom </Td> <Td> Patrick McGoohan </Td> <Td> 88 minutes </Td> <Td> February 10, 1990 (1990 - 02 - 10) </Td> </Tr> <Tr> <Th> 53 </Th> <Td> </Td> <Td> "Rest in Peace, Mrs. Columbo" </Td> <Td> Vincent McEveety </Td> <Td> Peter S. Fischer </Td> <Td> Helen Shaver </Td> <Td> 88 minutes </Td> <Td> March 31, 1990 (1990 - 03 - 31) </Td> </Tr> <Tr> <Th> 54 </Th> <Td> 5 </Td> <Td> "Uneasy Lies the Crown" </Td> <Td> Alan J. Levi </Td> <Td> Steven Bochco </Td> <Td> James Read </Td> <Td> 90 minutes </Td> <Td> April 28, 1990 (1990 - 04 - 28) </Td> </Tr> <Tr> <Th> 55 </Th> <Td> 6 </Td> <Td> "Murder in Malibu" </Td> <Td> Walter Grauman </Td> <Td> Jackson Gillis </Td> <Td> Andrew Stevens </Td> <Td> 92 minutes </Td> <Td> May 14, 1990 (1990 - 05 - 14) </Td> </Tr> </Table>

When was the last episode of columbo filmed