Final roles of Doctor Who actors

Omega reveals the purpose behind bringing the Doctor to his antimatter world, but the Doctor(s) discover a startling fact about Omega that he didn't know himself and eventually strike a bargain.

Philippa Vale is a lady with a reputation as a jewel thief so that, when she comes to Jersey on the eve of George Thomas's private auction of a diamond worth a quarter of a million pounds, Jim is on his guard. Despite warnings George goes ahead with the auction, during which a power cut blows all the lights after which the diamond has gone. Though George's wife can explain what has happened, it would seem that Philippa was after an altogether different booty - but can Jim prove it?

An obscure family document containing an enigmatic ritual holds the key to a hidden treasure if Holmes can decipher the mystery.

Upon the death of Krook, Smallweed examines the personal effects, including letters reviewed by Tulkinghorn. Later, Esther becomes seriously ill with the pox. Finally, Tulkinghorn has a frank conversation with Lady Dedlock.

Fred finally learns the truth about his father--and that the Simcox, Fanner, and Titmuss families are linked in a way that no one could have imagined. Truths of all sorts catch up with Leslie Titmuss as well, who risks losing both his fortune and his political career.

Former UNIT scientist Liz Shaw investigates a series of bizarre murders near a soon-to-be closed psychiatric hospital. When the hospital is suddenly saved by a wealthy businessman events seem to run out of Liz's control.

Following the assassination of President John F. Kennedy, First Lady Jacqueline Kennedy Onassis fights through grief and trauma to regain her faith, console her children, and define her husband's historic legacy.