This week we have spoilers for: 90210, Castle, Desperate Housewives, Fringe, Gossip Girl, Grey’s Anatomy, Heroes, How I Met Your Mother, Lost, Smallville and The Big Bang Theory. (SPOILERS FOLLOW!)
90210
Someone will try to commit suicide, the truth about Jen and Liam will finally (!) come out, Dixon’s birth mother will return, Debbie will flirt with her new yoga instructor. [Source: What with Kristin]

Castle
Charmed’s Alyssa Milano will guest star in an episode titled “A Rose for Everafter,” in which she will play Kyra, a former love interest of Castle. The two reconnect on Kyra’s wedding day. Sparks will fly between the two and Beckett will be, as expected, jealous. [Source: TV Guide Online]

Desperate Housewives
Angie has been on the run for 18 years and word is that she could be in FBI custody by the holidays. The crimes that she has committed could have her spend the rest of her life in prison. [Source: Korbi TV]
In past issues of Spoilers Anonymous, we let you know that the mid-season cliffhanger would involve a plane crash. Turns out the plan will land on one of the original housewives’ homes. Bree and Orson will find themselves trapped in their house while another housewife (Gaby, Lynette or Susan) may suffer a serious loss trying to save someone else. [Source: What with Kristin]
In January, an episode will find the housewives pondering numerous “what if” scenarios which will lead to us seeing fantasy flash forward sequences. 30-year-old versions of Celia and MJ will be featured in these sequences. [Source: The Ausiello Files]

Fringe
The show is currently on the lookout to find an actress to play Walter’s wife. She’s described as being strong, yet broken, intelligent, attractive, likable, lovely and extremely versatile. The role has the potential of being a possible recurring character. [Source: The Ausiello Files]

Gossip Girl
Serena will get in a serious accident that will send her to the hospital. [Source: What with Kristin]

Grey’s Anatomy
In an early 2010 episode, boyfriends Jeff and Aaron with check into Seattle Grace when Aaron, an overweight opera singer, is ill. [Source: Keck's Exclusives]
Izzie will be MIA in a few episodes in 2010 as Katherine Heigl asked for another leave of absence. This time, her request is so she can take care of her newly adopted daughter. Remember reading about Leven Rambin appearing on the show and playing a pivotal role that will be featured in the next Grey’s Anatomy/Private Practice cross-over? Rumor has it that Rambin’s character may end up being Mark’s pregnant daughter! [Source: The Ausiello Files]

Heroes
An episode will offer flashbacks set in the late 70s of a free-spirited hippie Noah. The show is currently casting for an actor to play Noah in his 20s. The flashbacks will show Noah just landing a job as a used car salesman, his new wife and his naive take on the world. We will also see him welcome a stranger into his home, where something tragic goes down, altering the course of his life forever. [Source: Keck's Exclusives]

How I Met Your Mother
Ted will flirt with an older student named Cindy. Could she be the Mother? [Source: What with Kristin]

Lost
Scenes are being shot in a high school where Ben and Locke both work. One of the student is Alex. Rose and Doc Arzt were both spotted in the high school during shooting. The character to be played by William Atherton is described as the School’s Principal but rumors say he may have more to do than just being the principal. [Source: Lost Spoilers]

Smallville
Zatana will be back for episode 9.15, titled “Warrior.” She will stir up some love-triangle drama between Lois and Clark. Part of the episode takes place at San Diego Comic-Con Metropolis Wonder-Con. Chloe will meet her new love interest while at Wonder-Con. [Source: The Ausiello Files]
The L Word’s Pam Grier will join the show as Agent Amanda Waller, a character who, in the Superman mythology, brought on the destruction of Smallville. Grier will first be introduced in the second hour of the Justice Society two-parter set to air on January 29. [Source: TV Guide Online]

The Big Bang Theory
In the December 7 episodes, Penny asks Sheldon to teach her a thing or two about physics in order to get closer to Leonard. Sheldon agrees and even names the teaching project “Project Gorilla,” which refers to the fact that if someone could teach sign language to Koko the gorilla, then he probably can teach basic physics to Penny. Christine Baranski will reprise her role of Leonard’s mother in an episode set to air in January. [Source: The Ausiello Files]