The “Cops” parody “Reno 911” (9:30 p.m., Comedy Central) returns for a second season.

Filled with veterans of the Comedy Central programs “Viva Variety” and “The State,” “Reno” will feature a virtual parade of guest stars this season, including Wayne Brady, Lou Ferrigno, Lorenzo Lamas, Martin Mull, Kenny Rogers and Sean Young.

• Court TV glances back at the case that put the network on the map. Ten years after the murders, the gruesome discovery, the Bronco chase, the courthouse pandemonium, the “dream team” and the shocking acquittal, “People v. Simpson: Unfinished Business” (7 p.m., Court) will devote an hour to the key events and personalities associated with “the trial of the century.”

At 8 p.m., Court TV correspondent Catherine Crier will conduct a live interview with O.J. Simpson.

Tonight’s other highlights

• A Scotland Yard inspector (Johnny Depp) obsesses over Jack the Ripper in the 2001 period drama “From Hell” (6 p.m., FX).
• Scheduled on “60 Minutes II” (7 p.m., CBS): when should doctors stop trying to keep a patient alive?; the publisher of Maxim magazine; world fencing champs from the inner city.
• Jay Mohr hosts “Last Comic Standing” (7 p.m., NBC).
• Carrie accepts her job loss a little too easily for Doug’s tastes on “King of Queens” (8 p.m., CBS).
• Scheduled on “48 Hours Investigates” (9 p.m., CBS): a police chief accused of murdering his own wife.
• A motivation for murder on “Law & Order” (9 p.m., NBC).

Late night

Christopher Walken, Buddy Rice and Kid Rock appear on “Late Show with David Letterman” (10:35 p.m., CBS) … Jay Leno hosts Catherine Zeta-Jones, Steve Irwin and Sonic Youth on “The Tonight Show” (10:35 p.m., NBC) … George Lopez appears on “Jimmy Kimmel Live” (11:05 p.m., ABC).