"Stradivarius" is the seventh episode of the ninth season of the post-apocalyptic horror television series The Walking Dead, which aired on AMC on November 18, 2018.

The ninth season of The Walking Dead, an American post-apocalyptic horror television series on AMC premiered on October 7, 2018, and concluded on March 31, 2019, consisting of 16 episodes. Developed for television by Frank Darabont, the series is based on the eponymous series of comic books by Robert Kirkman, Tony Moore, and Charlie Adlard. The executive producers are Kirkman, David Alpert, Scott M. Gimple, Angela Kang, Greg Nicotero, Tom Luse, Denise Huth, and Gale Anne Hurd, with Kang taking over the role of showrunner from Gimple after his promotion to chief content officer for the franchise.