Critic's corner

8 p.m., Channel 25
Miley Cyrus hosts. A slew of actors from "Gossip Girl," "One Tree Hill," and "Friday Night Lights" appears. The Jonas Brothers field questions from viewers. Resistance is futile.

9 a.m., Nickelodeon
As part of Nickelodeon's Olympics-theme preschool programming, the cute-as-a-button CGI gang imagines playing in Ancient Greece.

8 p.m., Channel 7
The two-hour season finale of a show that reminds me a little bit of "Hurl" on G4, without the food.

10:30 p.m., VH1
This new docu-series promises to be a hip-hop version of "The Osbournes," starring former 2 Live Crew member Luther "Luke" Campbell. He's tough, he's cool, and he's trying to keep his two kids from raunchy material. While appearing on VH1. Good luck, man.

8 p.m., TLC
The new TLC reality show that poses the question: Why do we think British nannies are inherently competent?

10 p.m., Channel 5
We're down to three contestants: Omarosa Lite, the Chubby Non-Athlete, and the Overemotional High School Teacher. My money's on the non-athlete.

10:30 p.m., Showtime
In the season finale, Belle must decide whether to strike out on her own.

Comcast
If not great, this is a warm, likable movie, thanks to the fact that John Candy finally gets a role with feelings - crude but caring Uncle Buck, babysitting his uptight suburban brother's kids. (PG, runs through Sept. 18)