What's On Tonight: Charles Schulz, Samantha Who, Rules of Engagement

• At 8, ABC has a new Dancing with the Stars at 8, followed by new episodes of Samantha Who? and The Bachelor.
• CBS has new episodes of How I Met Your Mother, Big Bang Theory, Two and a Half Men, Rules of Engagement, and CSI: Miami.
• There's a new Chuck on NBC at 8, then new episodes of Heroes and Journeyman.
• The CW has a new Everybody Hates Chris at 8, followed by new episodes of Aliens in America, Girlfriends, and The Game.
• At 9, PBS has a new American Masters, profiling Charles Schulz.
• USA has a new Monday Night RAW at 9.
• At 10, Food Network has a new Diners, Drive-Ins and Dives, then a new The Secret Life Of...
• Showtime has a new Weeds at 10, followed by the season finale of Californication.

Check your local TV listings for more.