"Glee" Season 6 Episode 9 Spoilers - As the hit teen musical comedy-drama series, "Glee," wrapped up filming the entire finale episodes last week, fans will finally bid a tear-jerking goodbye for the show they have loved for six years. But could the looming conclusion end in conflicts?

Last week, we reported that the season finale of the series will be filled with happy endings. However, in "Glee" Season 6 Episode 9 titled, "Child Star," it will show a lot of conflicts plus the endless invectives of Sue Sylvester (Jane Lynch) against Will Schuester (Matthew Morrison). According to Christian Today, Sue's ultimate objective is to make sure Will has a tough time when he returns to McKinley High's glee club after his very challenging stint as Vocal Adrenaline's choir coach.

"A high-strung, demanding tween is going to request that the members of New Directions perform at his bar mitzvah, and the glee club will have to band together for its first public performance," "Glee" season 6 Episode 9 synopsis reads, as Hollywood Hills quoted. "In the meantime, Spencer is going to push Roderick to lose weight."

Aside from the hostilities, which will threaten the peace and harmony among the members of McKinley High School's glee club, "Glee" Season 6 Episode 9 will also feature Bruno Mars and Ariana Grande's hit songs with titles, "Uptown Funk" and "Break Free" respectively, Design & Trend revealed.

Meanwhile, since the sixth and final season of "Glee" has concluded last weekend, actress Jane Lynch shared her experience during the final days on the set of FOX's musical dramedy. According to Enstarz, Lynch revealed that the remaining final episodes will feature both flashbacks (2009, the very first year of "Glee") and flash-forwards (2020), just to give fans a peek of their favorite characters' futures.

"It was a gorgeous couple of days, very moving," the 54-year-old actress said during her appearance on VH-1 show "Big Morning Buzz Live." She also added the entire cast will be reunited for once last song in the series finale with a title, "Dreams Come True." As said by Lynch, they will perform One Republic's song, "I Lived."

Lynch also added through an interview with People that the finale will be an emotional one as "Glee" looks back at how it all began, where they are now and what the characters will one day become. Recently, she told TVLine, the ending of the series is "great and quite fitting."

The finale of the series will air on March 20. In the meantime, catch "Glee" Season 6 Episode 9 tonight at 9 p.m. on FOX.