* "Titanic at 100: Mystery Solved" is a special that has scientists, archaeologists, engineers and imaging experts joining forces to determine just how the famous ship sank. Have they not heard about the iceberg? 9 p.m. today, History Channel.
* Tonight brings the debut of "NYC 22," because, well, prime time just doesn't have enough cops shows. This one focuses on a group of badge-wearing rookies who patrol the mean streets of New York. Leelee Sobieski and Adam Goldberg head the cast. 7 p.m. today, KUTV Channel 2.