Taylor Swift is feeling emotional about the Eras Tour.

In a new teaser for the premiere episode of the upcoming docuseries The End of an Era, the "Opalite" singer teared up as she reflected on all the effort that went into bringing the Eras Tour to life, per Page Six. The preview, shared exclusively with Good Morning America, captured behind-the-scenes footage of rehearsals and performances as Swift explained that her team has "done something that no one has ever done."

In one emotional moment, Swift wiped away tears as she said in a voiceover, "This is the biggest challenge any of us has ever done," a sentiment echoed by her mother Andrea Swift who expressed how "mind boggling" it was that the team was able to execute a tour as massive as the record-breaking Eras Tour turned out to be.

The "Fate of Ophelia" singer also spoke about bringing out special guests to the stage, such as close friend Ed Sheeran and Florence + The Machine's Florence Welch and making each night a memorable experience for every fan showing up to the tour. Swift and Sheeran have collaborated on multiple songs while the English band joined Swift on "Florida!!!" from the latter's 2024 album The Tortured Poets Department.

First announced in October, The End of an Era is a six-part docuseries that will give fans a look behind the scenes into the "most important and intense chapter" of Swift's life. Additionally, Swift is giving fans another chance to see the Eras Tour in full with Taylor Swift: The Eras Tour: The Final Show, which features her final performance with songs from TTPD that were not included in her first Eras Tour film from 2023.

The first two episodes of The End of an Era as well as Taylor Swift: The Eras Tour: The Final Show drop December 12 on Disney+.

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