What to Tivo: Saturday

NBC has repeats of "Law & Order: Special Victims Unit" and "Law & Order: Criminal Intent"
CBS has repeats of "Without a Trace" and "Cold Case" and is new with "48 Hours Mystery"
ABC has "Charlie Brown Valentine" and "Winnie the Pooh, a Valentine for You," followed by Bringing Down the House
The CW has "American Idol Rewind"
VH1 has a repeat of "Armed and Famous"
MTV has "Juvies" and "Two-A-Days"
Late-night highlights include a new "Saturday Night Live" on NBC with Forest Whitaker hosting and a new "Mad TV" on Fox with Kate Walsh as the guest