... Looks like Betty (January Jones) will be back, but Sal (Bryan Batt) was cut no slack. Boo! Mad Men creator Matt Weiner spoke to TV Guide about his decision to end Sal's storyline, the return of Sterling Cooper Draper Pryce, and other Season 4 tidbits. [E!]

... David Spade's lovable, be-mulleted Joe Dirt character is coming to the small screen! The former SNL star is developing an animated series with TBS based on the 2001 movie. [THR]

... Dancing with the Stars' Samantha Harris will not return next season to co-host with Tom Bergeron. Harris, who boasts a journalism degree from Northwestern (who knew?), wants to focus on other projects, like her correspondence gig at The Insider. Or maybe she'll be the one to replace Simon on Idol... [People]

... VH1 has ordered four new reality series, including makeover show Transform Me and dating advice series Undateable. All four Trashy McTrashcans are set to debut this spring. Screw the reality shows—bring back I Love The 80s reruns, VH1! The world needs more Mo Rocca. [THR]

... Calling all Gleeks! Show creator Ryan Murphy has revealed the third new "mystery role": a male version of Mercedes (Amber Riley)! Murphy and the Glee crew have announced an open casting call to fill this role and two others (Kurt's boyfriend and Rachel's rival) for the second half of Season 1, which begins in April. [Ausiello]