The retro "Jeopardy! Vault" episodes hosted by Alex Trebek is airing a four-week retrospective series that started July 20 featuring some of the best episodes in "Jeopardy!" history.

Firefighters safely rescued a girl after she got locked in a dressing room area that previously served as a bank vault in Port Jefferson, Long Island, authorities say. (Credit: Port Jefferson Fire ...

Firefighters safely rescued a girl after she got locked in a dressing room area that previously served as a bank vault in Port Jefferson, Long Island, authorities say … Firefighters safely ...

Apparently he’s written a book, and gives more information on special episodes from “The Jeopardy! Vault” starting next week.

Port Jefferson firefighters had to drill into a women's clothing store dressing room, which was once a bank vault, in order to free a 14-year-old girl who was accidentally inside.

As "Jeopardy!" airs classic episodes from its vault, the team a few weeks ago selected the first "Celebrity Jeopardy!" episode that ever aired, and it featured Regis Philbin. The episode is now ...