Updated February 6:
As mentioned below, "Glee" will be taking a winter hiatus beginning February 21. It won't return until April 10. During those weeks, Fox will launch a new comedy block.
Per TV Guide, the February 14 episode of "Glee" will see "The Glee Project" winner Samuel Larsen making his first appearance. In addition, Kurt will get a surprise and Mercedes sings "I Will Always Love You." Word is, Santana and Brittany will go to the school dance together and even kiss. Also, look for Emma and Will to get into a fight and Mike and Tina performing together.
Updated February 1:
Ricky Martin will guest star on February 7 as a night school teacher who helps the glee club with their Spanish singing assignment. In the same episode, Rachel tells Mercedes and Kurt about Finn's proposal.
On February 14, New Directions is tasked with performing the world's greatest love songs, as Rachel's dads visit their daughter's school.
Regionals arrives on February 21 as the New Directions face off with the Warblers. This episode marks the winter finale of "Glee."
Updated January 17:
Per TV Guide Magazine, tonight's episode will be full of surprises. Look for three people to pop the question, but for only one to receive an answer. While those proposals are being considered, one couple shows up already married. In addition, Epiphany makes her decision between Sam and Shane during her performance of a love song, but she might not act on it. Also, look for Finn to get bad news about his mom and for Sue to dole out relationship advice.
The outlet also reports that "Glee" is preparing to pay another tribute. It seems creator Ryan Murphy is teaming up with Barry Gibb for an April episode honoring the "Saturday Night Fever" soundtrack.
Updated January 10:
Also, when Ricky Martin guest stars on Glee, he will cover the LMAFO's hit "Sexy And I Know It." There will also be a sort of "Espanol-off" between his character and Mr. Schue.
It also appears Sebastian stirs things up in the Michael Jackson episode. According to E!, The Dalton Warbler inflicts pain on someone, causing Santana to fight back. This leads to their duet of "Smooth Criminal."
Updated November 29:
When Sam returns to McKinley High it looks like he will pursue his secret girlfriend from last season: Mercedes. Per TVLine, Sam will join the synchronized swim team in order to win her back during episode 10 airing January. Also, be on the lookout for someone to go ring shopping in a January episode titled "The Proposal." Word is it's a big episode for Will and Emma. Could these two be getting engaged?
Updated November 25:
In the December 6 episode titled "Hold on to Sixteen," Finn tracks down Sam to return to the glee club, Tina encourages Mike to pursue his dreams, and McKinley High prepares for sectionals.
Updated November 21:
In tomorrow's "I Kissed a Girl" episode, someone is caught trying to fix the student council president race results, Beiste challenges Sue, and things get complicated for Puck and Quinn.
Also, upcoming songs for the season well into the New Year will include Rihanna's "We Found Love," Michael Jackson's "Man in the Mirror," and a mash-up of Gloria Gayner's "I Will Survive" and "Destiny's Child's "I'm a Survivor."
Updated November 14:
Per Entertainment Weekly, Sebastian will return in episode 8 to confront Kurt. In their first conversation away from Blaine, Kurt and Sebastian will vocalize exactly how they feel about each other. The episode will also set up the circumstances surrounding Sebastian's next appearance.
As has also been reported, the December 13 episode will celebrate the holidays, as the kids and adults at McKinley High prepare for the New Year. In addition, Santana's grandmother will appear in an upcoming episode.
Updated November 1:
For their 300th performance, Mercedes, Santana and Brittany will perform a mash-up of Adele's "Rumor Has It" and "Someone Like You" on November 15. Also on November 15, a flashback of Sue's history with musical theatre will reveal why she has always been out to get New Directions. "The Glee Project's" Lindsay Pearce will return as Harmony in Episode 8 to compete against McKinley High's glee club. Fellow "Glee Project" winner Samuel Larsen won't appear most likely until after Christmas. Coach Beiste might have to compete with Sue for the new football recruiter and the student class president election will coincide with Sue's congressional bid.
Updated October 18:
More "Glee" spoilers regarding the month of November include, Finn meeting a football recruiter, who also takes note of Coach Beiste, Puck developing a new crush (rumor has it it's Shelby), and Rachel and Kurt both losing their virginity, to Finn and Blaine respectively, in the episode appropriately titled "The First Time," which will air on November 8.
Updated October 11:
Fans have three weeks to wait until the next episode of Glee, but in the meantime, TVLine has a couple of spoilers to tide us over. It seems there will be a "very bold interaction" between Puck (Mark Salling) and Shelby (Idina Menzel) at the end of the November 1 episode. They repeat, "Very bold." So, take that for what you will. Also, it looks like Mercedes (Amber Riley) will be joined in Shelby's rival show choir by Santana (Naya Rivera) and others. Will someone else defect from New Directions? Share your theories below.
Updated September 20:
Per TVLine, as Sue (Jane Lynch) focuses on her run for Congress, she will be pitted against a familiar face: Kurt's (Chris Colfer) dad Burt (Mike O'Malley). Should make for an interesting campaign season.
For some Artie news, watch the video interview TVLine did with Kevin McHale at the recent Primetime Emmys.