Taylor Swift; Justin Timberlake.

The classic thinking person's answer-and-question quiz, developed by Merv Griffin, first aired as an NBC daytime series in the 1960s, but its popularity really boomed in early-evening first-run syndication. 'Jeopardy!' has also spawned offshoots.

Creator-producer Merv Griffin's classic game-show version of 'hangman' has kept on spinning for three decades.

David goes on a mission to recover the Charter of Gilboa and learns new information about his dad's death. Elsewhere, Rose and Silas react differently to the news of Jack's engagement to Katrina.

Natalie Morales and Tiki Barber anchor coverage of Manhattan's 33rd annual fireworks display, ignited by performances by rock singer Rob Thomas, singer-songwriter Jewel and the cast of Broadway's "West Side Story."

A plaintiff seeking a restraining order provokes an odd request from a judge (Alan Dale): He wants detectives to question a convicted serial killer about his son's kidnapping, which occurred 30 years ago.