All Elite Wrestling two-part television special
The December 2021 New Year's Smash was the second New Year's Smash professional wrestling television special produced by All Elite Wrestling (AEW). It took place on December 29, 2021, at Daily's Place in Jacksonville, Florida. The two-part event was broadcast on TNT as special episodes of AEW's weekly television programs, Wednesday Night Dynamite and Friday Night Rampage. Dynamite aired live while Rampage aired on tape delay on December 31. It was the second New Year's Smash event to be held in 2021, after the first took place in January. The Dynamite broadcast was the show's final episode on TNT as Dynamite moved to TNT's sister channel TBS on January 5, 2022.
In the main event of the Dynamite broadcast, the reunited team of Adam Cole and reDRagon (Bobby Fish and Kyle O'Reilly) defeated Best Friends (Chuck Taylor, Trent? Beretta, and Orange Cassidy), while in the main event of the Rampage broadcast, Cody Rhodes defeated Ethan Page to retain the AEW TNT Championship. The Dynamite broadcast also saw the AEW debut of Mercedes Martinez, who cost Thunder Rosa her semifinals match against Jade Cargill in the AEW TBS Championship tournament. Martinez last appeared in AEW as a free agent at the All Out pay-per-view and an episode of Dark in late 2019.