New trailers and clips posted this week: As we enter a doldrums period for sci-fi feature film releases, all of this week's newly posted trailers are for upcoming home video releases, including a disaster in Moscow, a dancing penguin, and a five-star day.

The Darkest Hour
Featurette: Filming In Moscow][UK] (scheduled home video release: Apr 1 2012): In Russia, a group of young adults struggle to survive after an alien invasion.

Stars: Emile Hirsch, Rachael Taylor, Olivia Thirlby. Directed by: Chris Gorak.
- The Darkest Hour - [TV Spot: Mood Piece][UK]

Happy Feet Two
Trailer for Happy Feet Two] (scheduled home video release: Apr 1 2012): The sequel to the Academy Award®-winning animated smash hit, "Happy Feet 2" returns audiences to the magnificent landscape of Antarctica, reuniting us with the world's most famous tap-dancing penguin, Mumble. Stars: Elijah Wood, EG Daily, Alecia Moore, Robin Williams, Brad Pitt, Hank Azaria, Matt Damon. Directed by: George Miller.

Doctor Who: The Doctor, The Widow, And The Wardrobe
Trailer for Doctor Who: The Doctor, The Widow, And The Wardrobe][UK] (scheduled home video release: Feb 14 2012): Stars: Matt Smith, Karen Gillan, Holly Earl, Claire Skinner, Bill Bailey. Directed by: It's Christmas Eve, 1938, when Madge Arwell comes to the aid of an injured Spaceman Angel as she cycles home. He promises to repay her kindness - all she has to do is make a wish. Three years later, a devastated Madge escapes war-torn London with her two children for a dilapidated house in Dorset.

She is crippled with grief at the news her husband has been lost over the channel, but determined to give Lily and Cyril the best Christmas ever. The Arwells are surprised to be greeted by a madcap caretaker whose mysterious Christmas gift leads them into a magical wintry world. Here, Madge will learn how to be braver than she ever thought possible. And that wishes can come true..

Dragon Age: Redemption: The Complete Series
Trailer for Dragon Age: Redemption] (scheduled home video release: Feb 14 2012): A six-part webseries based on the BioWare video game series of the same name. Stars: Felicia Day , Adam Rayner, Doug Jones, Marcia Battise. Directed by: Peter Winther.

5 Star Day
Trailer for 5 Star Day] (scheduled home video release: Feb 7 2012): Jake Gibson's (Cam Gigandet) horoscope forecasts a perfect FIVE STAR DAY the morning of his birthday. Little does he realize that what's foretold to be a flawless day, unfolds to be far less than stellar when Jake's world is turned upside down as all that could go wrong…does. Stars: Cam Gigandet, Jena Malone, Will Yun Lee, Julianna Guill, Brooklyn Sudano, Max Hartman. Directed by: Danny Buday.

Fred 2: Night of the Living Fred
Trailer for Fred 2: Night Of The Living Fred] (scheduled home video release: Feb 7 2012): Fred's life becomes like a horror movie - his favorite music teacher has gone missing and all suspicions point to her replacement, Mr. Devlin. He is a pale man who dresses in all black and carries an umbrella in the sunlight.. Fred suspects that he's a vampire. With the help of his faithful friend, Bertha, Fred sets out to save the town from this garlic-hating fiend. Stars: Lucas Cruikshank, John Cena, Daniella Monet, Ariel Winter, Jake Weary. Directed by: John Fortenberry.

Blubberella
Trailer for Blubberella] (scheduled home video release: Jan 31 2012): An action comedy centered on an overweight woman whose footsteps cause explosions and whose dual swords are used against anyone who makes fun of her. Stars: Boris Balta, Willam Belli, Natalia Guslistaya, Lindsay Hollister. Directed by: Uwe Boll.

Tales of an Ancient Empire
Trailer for Tales of an Ancient Empire] (scheduled home video release: Jan 24 2012): A princess is on a quest to unite the five greatest warriors to save her kingdom from a demon sorceress. Stars: Kevin Sorbo, Michael Pare, Sarah Ann Schultz, Whitney Able. Directed by: Albert Pyun.

Alien vs. Ninja
Trailer 2 for Alien vs. Ninja] (scheduled home video release: Feb 22 2011): A band of ninja warriors, led by an Iga Ninja named Yamata, witness a giant fireball drop from the sky, crashing into the nearby forest. When the warriors search for the object, they discover aliens who captured and ate some of them. Yamata and the survivors swear vengeance. But when they counterattack the aliens, they learn that their weapons are useless. Stars: Shuuji Kashiwabara, Ben Hiura. Directed by: Seiji Chiba.

Vexille
Trailer for Vexille] (scheduled home video release: May 20 2008): Japan, 2077: A female agent named Vexille is dispatched to Tokyo to investigate whether Japanese are developing robotic technology, which has been banned by the U.N. due to its potential threat to humankind. Stars: Meisa Kuroki, Yasuko Matsuyuki, Shosuke Tanihara. Directed by: Fumihiko Sori.