CSI: Crime Scene Investigation (9:00 p.m. EST, CBS)

Tonight’s episode is the first of a two-part episode. Ray (Laurence Fishburne) is accused by a former co-worker of being part of the tragic Dr. Jekyll murders that the team has been investigating. Elsewhere, the notorious “Dick and Jane” killer (Bill Irwin) says he has important information about the case.

Fringe (9:00 p.m. EST, FOX)

Another two-part episode begins tonight on this series. During part one of the season finale, Olivia (Anna Torv) treks to the alternate universe with Walter (John Noble), who is getting ready for a serious showdown with William Bell (the talented Leonard Nimoy).

The Office (9:30 p.m. EST, NBC)

Finish the evening off with some laughter. On tonight’s episode, new parents Jim (John Krasinski) and Pam (Jenna Fischer) deal with serious lack of sleep and try their hardest not to pass out at the office. Michael (Steve Carell) displays a rare moment of maturity when he finds out one of Donna’s (Amy Pietz) flaws. And when Dwight (Rainn Wilson) reneges on their strange contract, Angela’s (Angela Kinsey) wrath is seen by all. I’m so glad that The Office has become funnier as the season goes on. I was starting to lose my faith in it a little bit…