Celebs Join ‘Glenn Martin, DDS’ for Holiday Premiere Week

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Nick at Nite is giving its fans plenty of brand-new, celebrity-filled episodes of its original animated series Glenn Martin, DDS for the holidays.

Starting Dec. 20, the series will debut a new episode each night at 10:30 p.m. leading up to the premiere of an hour-long special airing on Dec. 24 — Christmas Eve itself.

The new episodes include celebrity guest voices including Fergie, Elijah Wood, Jimmy Kimmel,
Bradley Whitford, Cheri Oteri, Jason Alexander, George Takei, Don Johnson, Ashley Tisdale, Jennette McCurdy, Chris Parnell, Paul Adelstein, Fran Drescher, Allison Janney, Jonathan Frakes, Rob Riggle, DJ Qualls and Patton Oswalt.

Here’s how Nick at Nite describes the new episodes:

Monday, Dec. 20, at 10:30 p.m. – “Courtney’s Pony”

When Courtney experiences her first business failure, Jackie urges her to try being a kid again and buys her a pony, but when Courtney is thrown into a pony competition, she realizes she needs to become her old self to save its life.  Meanwhile, Glenn becomes attached to a life-like American Princess doll and Conor uses a hidden talent to win the heart of a teen working in the doll hair salon (Jennette McCurdy, iCarly).  Chris Parnell (Saturday Night Live) and Paul Adelstein (Private Practice) also guest star.

Tuesday, Dec. 21 at 10:30 p.m. – “Dad News Bears”

Glenn has a newfound respect for Conor when he coaches his team in the Little League World Series. Courtney reevaluates her goals after discovering her old assistant Katie (Ashley Tisdale, Hellcats) is far more successful than her.  Meanwhile, Jackie gets revenge on the snooty housewives from the old neighborhood.  Fran Drescher (Living with Fran) guest stars as a former neighbor.

Wednesday, Dec. 22 at 10:30 p.m. – “Volunteers”

The Martins sign up to volunteer while in Tennessee (the Volunteer State), but when Glenn fails the volunteer fireman test and sees Jackie pass on her first run, he joins the Citizen’s Field Brigade and becomes part of a militia on the verge of war.  Meanwhile, the kids help at a hospital and Courtney and Wendy are inspired after meeting a Mary Poppins-like patient named Maria Peppins (Fergie). Rob Riggle (Funny or Die Presents…), DJ Qualls (Road Trip) and Patton Oswalt (Ratatouille) also guest star.

Thursday, Dec. 23 at 10:30 p.m. – “Glennhog Day”

Glenn has a history of disappointing Jackie on anniversary dates, so when a freak accident makes him wake up thinking every day is their anniversary, Jackie plays along and nudges him towards more elaborate plans. The kids vow to stop her once they realize Glenn wants to have “the talk” with them day after day. George Takei (Star Trek) guest stars as himself and Jason Alexander (Seinfeld), Allison Janney (The West Wing) and Jonathan Frakes (Star Trek: The Next Generation) also guest star.

Friday, Dec. 24 at 10:30 p.m. – “Camp” One-Hour Special

Nervous about being accepted at Glenn’s old summer camp, Conor reinvents himself as a tough guy from Boston. Courtney and Wendy compete for the camp heartthrob (and ghost), Lad in the Lake (Elijah Wood, The Lord of the Rings). Meanwhile, Glenn and Jackie serve as camp counselors after Glenn sends his former counselor, Gonzo (Bradley Whitford, The West Wing) into a deep depression. Later, while trying to build up Conor for the camp’s Color War, Glenn recounts the day he won the 10-mile race, only to learn his triumph was a cruel prank and must rerun the race against his nemesis Jimmy Kimmel.