8 p.m. on 2, 9, ‘‘Celebrity Wife Swap’’ — Let’s get ready to rummmblllle! In this new episode, wrestler Ric Flair sends girlfriend Wendy Barlow, aka ring valet Fifi the Maid, to live with fellow wrestler Rowdy Roddy Piper, whose wife, Kitty, is shipped off to Chez Flair. Even though both families are in the same business, expect some culture shock as the ladies try to live by different rules before implementing some of their own. Let’s hope neither household keeps folding chairs around.

8 p.m. on 7, ‘‘Secrets of Henry VIII’s Palace’’ — Hampton Court is the ultimate royal pleasure palace, embodying the indulgent, grandiose kingship built by Cardinal Wolsey and developed by Henry VIII. Through its rooms, viewers can chart King Henry VIII’s decline from fit young warrior to bloated womanizer and recall the vivid stories of the ladies who became his queens in this new special.

9 p.m. on 7, ‘‘Masterpiece Mystery!’’ — Lewis and Hathaway (Kevin Whately, Laurence Fox) are called in to examine the brutal death of a chemistry professor recently released from prison. There may be a connection to the discovery of a murdered Oxford student reported lost for 15 years. As more casualties and suspects emerge, Lewis considers his future on the force. Edward Fox (‘‘Gandhi,’’ ‘‘Foyle’s War’’) guest stars in the new episode ‘‘Inspector Lewis, Series VI: Intelligent Design.’’

9 p.m. on SHO, ‘‘Dexter’’ — The eighth and final season picks up six months after LaGuerta’s murder — and Dexter (Michael C. Hall) is still managing life as a dad, brother and serial killer. Deb (Jennifer Carpenter) struggles to deal with the consequences of her actions in ‘‘A Beautiful Day.’’ C.S. Lee, David Zayas, James Remar and Desmond Harrington also star.

10 p.m. on 5, 8, ‘‘Crossing Lines’’ — When wealthy businessmen start succumbing to a mysterious virus, the ICC investigates and uncovers a link to an art-theft ring. A tense confrontation with the killer puts everyone’s lives in danger in the new episode ‘‘The Terminator.’’ Gabriella Pession, Richard Flood, William Fichtner and Donald Sutherland star.