New Directions is back together for "Thanksgiving," this week's "Glee" episode (Thursday, November 29 at 9 p.m. EST on Fox).

"Thanksgiving" marks the first episode of Season 4 that Dianna Agron (Quinn) will appear in.

Check out photos of New Directions alumni -- Quinn, Puck, Mercedes and more -- reuniting at Breadstix, performing and meeting the new kids below.

Check out Fox's official episode description for "Thanksgiving" below:

It's time for Sectionals, and New Directions receives guidance from some of the recent McKinley graduates who volunteer to mentor the glee club during their Thanksgiving breaks. Meanwhile, Rachel and Kurt have a non-traditional holiday dinner in the Big Apple.

"Glee" airs Thursdays at 9 p.m. EST on Fox.

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  • "The Untitled Rachel Berry Project"

  • "The Untitled Rachel Berry Project"

  • "The Untitled Rachel Berry Project"

  • "The Untitled Rachel Berry Project"

  • "The Untitled Rachel Berry Project"

  • "Old Dog New Tricks"

  • "Old Dog New Tricks"

  • "Old Dog New Tricks"

  • "Back-Up Plan"

  • "Opening Night"

  • "Opening Night"

  • "Opening Night"

  • "Tested"

  • "Tested"

  • "Bash"

  • "New Directions"

  • "New Directions"

  • "New Directions"

  • "New Directions"

  • "New Directions"

  • "New Directions"

  • "100"

  • "Trio"

  • "Trio"

  • "Frenemies"

  • "Frenemies"

  • "Previously Unaired Christmas"

  • "Puppet Master"

  • "Puppet Master"

  • "Puppet Master"

  • "Puppet Master"

  • "The End Of Twerking"

  • "The End Of Twerking"

  • "The End Of Twerking"

  • "The End Of Twerking"

  • "The End Of Twerking"

  • "The End Of Twerking"

  • "The End Of Twerking"

  • "The End Of Twerking"

  • "The End Of Twerking"

  • "The End Of Twerking"

  • "Glee" Season 5 Cast

  • "A Katy or a Gaga"

  • "A Katy or a Gaga"

  • "A Katy or a Gaga"

  • "A Katy or a Gaga"

  • "A Katy Or A Gaga"

  • "A Katy Or A Gaga"

  • "A Katy Or A Gaga"

  • "A Katy Or A Gaga"

  • "A Katy Or A Gaga"

Earlier on HuffPost: