The second season of the American science fiction television series "" commenced airing in broadcast syndication in the United States on November 21, 1988, and concluded on July 17, 1989, after airing 22 episodes.
 Set in the 24th century, the series follows the adventures of the crew of the Starfleet starship "Enterprise"-D.
 Season two featured changes to the main cast, following the departure of Gates McFadden.
 Diana Muldaur was cast as Dr. Katherine Pulaski for a single season before the return of McFadden in season three.
 Academy Award winner Whoopi Goldberg also joined the cast after pursuing a role from the producers.
A Treatise on the Binomial Theorem is a fictional work of mathematics by the young Professor James Moriarty, the criminal mastermind and archenemy of the detective Sherlock Holmes in the fiction of Arthur Conan Doyle.
 The actual title of the treatise is never given in the stories; Holmes simply refers to "a treatise upon the binomial theorem."
 The treatise is mentioned in the short story "The Final Problem", when Holmes, speaking of Professor Moriarty, states:
Commander Katherine Pulaski is a fictional medical doctor in the American science fiction television series "".
 She served a rotation as the chief medical officer aboard the Federation starship USS "Enterprise"-D.
 During her time on the ship her medical skills saved the lives of both Captain Jean-Luc Picard and Commander William Riker.
 She also helped inspire Lt. Commander Data to create a hologram of Professor Moriarty that became self-aware.
 Pulaski preferred to avoid the transporter, but was forced to rely on it to save her own life from a genetically modified infection.
 Before arriving on the "Enterprise-D", she previously served on the USS "Repulse".
 For a time in her past she was romantically involved with William Riker's father, Kyle Riker, with whom she has maintained a friendship.
"Shades of Gray" is the 22nd episode of the of the American science fiction television series "", the 48th episode overall.
 It was originally broadcast on July 17, 1989, in broadcast syndication.
 It was the only clip show filmed during the series and was created due to a lack of funds left over from other episodes during the season.
 Set in the 24th century, the series follows the adventures of the crew of the Federation starship "Enterprise".
 In this episode, Commander William Riker (Jonathan Frakes) undergoes medical treatment by Dr. Katherine Pulaski (Diana Muldaur) for an alien infection and must relive numerous past events.
Sherlock Holmes: A Game of Shadows is a 2011 British-American period action mystery film directed by Guy Ritchie and produced by Joel Silver, Lionel Wigram, Susan Downey and Dan Lin.
 It is the sequel to the 2009 film "Sherlock Holmes", and likewise features the Sherlock Holmes and Dr. John Watson characters created by Sir Arthur Conan Doyle.
 The film's screenplay was written by Michele Mulroney and Kieran Mulroney.
 Robert Downey Jr. and Jude Law reprise their roles as Holmes and Watson, and were joined by Noomi Rapace as Simza, Stephen Fry as Mycroft Holmes and Jared Harris as Professor Moriarty.
 The film follows an original premise incorporating elements of Conan Doyle's short stories "The Final Problem" and "The Empty House".
 In the film, Holmes and Watson travel across Europe with a Gypsy adventuress to foil an intricate plot by their cunning nemesis, Professor Moriarty, to instigate a war.
Diana Charlton Muldaur (born August 19, 1938) is an American film and television actress.
 Muldaur's television roles include "L.A. Law"s Rosalind Shays and Dr. Katherine Pulaski in the second season of "".
 She has been nominated for an Emmy three times: twice for "L.A. Law" and once for "Born Free".
 She was also nominated twice for a Q award for "L.A. Law."
The Final Solution: A Story of Detection is a 2004 novella by Michael Chabon.
 It is a detective story that in many ways pays homage to the writings of Sir Arthur Conan Doyle and other writers of the genre.
 The story, set in 1944, revolves around an unnamed 89-year-old long-retired detective (who may or may not be Sherlock Holmes but is always called just "the old man"), now interested mostly in beekeeping, and his quest to find a missing parrot, the only friend of a mute Jewish boy.
 The title of the novella references both Doyle's Sherlock Holmes story "The Final Problem" (in which Holmes confronts his greatest enemy, Professor Moriarty, at Reichenbach Falls) and the Final Solution (the Nazis' plan for the genocide of the Jewish people).
Professor James Moriarty is a fictional character and the main antagonist in some of the Sherlock Holmes stories written by Sir Arthur Conan Doyle.
 Moriarty is a criminal mastermind whom Holmes describes as the "Napoleon of crime".
 Doyle lifted the phrase from a Scotland Yard inspector who was referring to Adam Worth, a real-life criminal mastermind and one of the individuals upon whom the character of Moriarty was based.
 The character was introduced primarily as a narrative device to enable Doyle to kill Sherlock Holmes, and only featured in two of the Sherlock Holmes stories.
 However, in many adaptations, he has been given a greater prominence and treated as Holmes' archenemy.
The Dynamics of An Asteroid is a fictional book by Professor James Moriarty, the implacable foe of Sherlock Holmes.
 The book is described by author Arthur Conan Doyle in "The Valley of Fear" (written in 1914, but set in 1888) when Sherlock Holmes, speaking of Professor Moriarty, states:
Sherlock Holmes - The Musical is a musical based on characters created by Sir Arthur Conan Doyle, with music, lyrics and book by Leslie Bricusse.
 The story concerns a 1901 confrontation between Holmes and his old arch-enemy, Professor Moriarty; Moriarty's brilliant daughter Bella proves to be an even more determined (and beautiful) foe than her father.

Question: What genre does Katherine Pulaski and Professor Moriarty have in common?
Answer: fictional