The comedian is leaving the long-running NBC series to focus on her film career.
The actress and comedian has been a series regular since 2014.
The special will be taped in Washington and launch globally in 2020.
The film is set to arrive in theaters on December 18, 2020.
The sketch featured Emma Thompson and Leslie Jones.
“Lord help us please,” the comedian wrote on Instagram.
“It’s like something Trump would do,” the comedian tweeted.
Animated movie is set to premiere in theaters in August.