The special will premiere on Christmas Day, Dec. 25, at 12:10 p.m. ET.

In the action-packed trailer, the Doctor is seen greeting Joy by barging into her hotel room.

Throughout the trailer, various characters ask the Doctor an array of questions about his intentions and his identity, to which he responds each time, \"You'll find out.\"

\"You have to be mysterious all the time,\" a lookalike of the Doctor says to him at one point. \"That's why everyone leaves you, that is why you're always alone.\"

The phrase \"Who brings Joy to the worlds\" then flashes across the screen, an apparent play Coughlan's character's name as she enters a strange new world.

\"PHOTO:
James Pardon/Bad Wolf/BBC Studios/Disney
PHOTO: Nicola Coughlan Stars Alongside Ncuti Gatwa in the Special, Streaming Dec. 25
>

The trailer concludes with shots of the Doctor and Joy adventuring together through yet another new world. \"I'm on the case,\" the Doctor is heard saying.

Alex Sanjiv Pillai directed the project and former \"Doctor Who\" showrunner Steven Moffat wrote and executive produced the special. Russell T Davies is showrunner and executive producer.

Gatwa's second season as the Doctor will premiere in 2025 on Disney+, where available, and on BBC iPlayer in the U.K.

Disney is the parent company of ABC News and \"Good Morning America.\"

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