Addicts unanonymous Eric Roberts, Jeremy London and Leif Garrett are among the new cast members of "Celebrity Rehab With Dr. Drew" (9 p.m., VH1), the series that continues its credo that therapy is best presented under the hot glare of camera lights. Janice Dickinson makes her 445,762nd appearance in a reality show.

A case of Lynching "Twin Peaks" fans will be delighted to know that former cast members Sherilyn Fenn, Sheryl Lee, Dana Ashbrook and Ray Wise are among the guest stars on a special episode of "Psych" (9 p.m., USA), in which the investigators look into a case involving -- what else? -- the mysterious drowning of a teenage girl in a quirky small town. Best watched with a slice of pie.

Making the list LL Cool J helps announce the next slate of major music nominees during "The Grammy Nominations Concert Live!" (9 p.m., WCCO, Ch. 4), with performances by Justin Bieber, B.o.B, Miranda Lambert, Bruno Mars and Katy Perry. Musicians who appear and then do not get nominated promise to throw a Kanye West-sized fit during the closing credits.