"The Tonight Show" isn't what it was during the long tenure of Carson, who hosted the show from 1962 until 1992.

CNN: Jay Leno announces 'Tonight Show' exit

What we're watching: INHD's Mojo debut a new show tonight, Timeless.

ENGADGET: HDTV Listings for November 26, 2006 HD

New features unique to iPhone, iPad and iPod touch include New Tonight Trending, a social hot list based on what TV Guide users are watching, plus Watchlist filters for News and New Tonight, which show users only their favorites.

ENGADGET: TV Guide Mobile relaunches for iOS with a new look, links to streaming video and social networks