What to Watch: December 17

'Saturday Night Live Presents: A Very Gilly Christmas' (8PM, NBC)
Would we be rather be seeing 'A Very Vincent Price Christmas' with Bill Hader or even 'A Very Mango Christmas'? Sure. But even if Kristen Wiig's annoying Gilly is getting (inexplicably) top billing in this two-hour special, there'll be plenty of holiday treats, too, as Steve Martin and Alec Baldwin make guest appearances, and the special unrolls the best holiday-themed clips of the past, including, of course, Justin Timberlake and Andy Samberg's 'D**k in a Box,' Adam Sandler's 'Hanukkah Song,' and, we hope, we hope, we hope, that classic Gumby (Eddie Murphy) special that found Donny and Marie Osmond being very naughty as they got a little too nice with each other.'Saturday Night Live Presents: A Very Gilly Christmas' (8PM, NBC)
Would we be rather be seeing 'A Very Vincent Price Christmas' with Bill Hader or even 'A Very Mango Christmas'? Sure. But even if Kristen Wiig's annoying Gilly is getting (inexplicably) top billing in this two-hour special, there'll be plenty of holiday treats, too, as Steve Martin and Alec Baldwin make guest appearances, and the special unrolls the best holiday-themed clips of the past, including, of course, Justin Timberlake and Andy Samberg's 'D**k in a Box,' Adam Sandler's 'Hanukkah Song,' and, we hope, we hope, we hope, that classic Gumby (Eddie Murphy) special that found Donny and Marie Osmond being very naughty as they got a little too nice with each other.

'CSI' – The team investigates a shootout at a gun store. A shootout at a gun store ... isn't that kinda like eating your groceries in the supermarket? (9PM, CBS)

'The Will: Family Secrets Revealed' – This doc is like a commercial for estate planning attorneys, as a slew of family secrets are revealed and drama ensues when a woman dies, leaving no will and three adopted, estranged sons vying for her $300,000 estate (9PM, ID Network)

'Jersey Shore' – From the network: "One of the housemates gets involved in a bar brawl" ... really? Just one? (10PM, MTV)

'The Mentalist' – While investigating the murder of a baseball scout, Patrick gets hit in the head with a baseball, triggering flashbacks to his childhood and memories of his dad (10PM, CBS)

'The Real Housewives of Orange County' – When the women head to Vegas for a girls-only weekend (planned by Vicki ... oy), Slade and Simon crash the party (10PM, Bravo)

'Watch What Happens Live' – Sarah Jessica Parker stops by pal Andy Cohen's talk show (Midnight, Bravo) season 1 finale