"I Spy I Spy" (stylized as "i spy i spy") is a collaboration single by Japanese artist Superfly and Australian band Jet that was released in the name of "Superfly×JET" to the Japanese market on November 28, 2007.

[1] Superfly travelled to Sydney to record the song with Jet.

[2] It reached 55th place on the Oricon weekly singles chart and charted for seven weeks.

[3][4] It is the first single that does not feature Superfly's guitarist Kōichi Tabo.

[5] All tracks are written by Chris Cester, Mark Wilson and Superfly