Marty McFly's red guitar from the original "Back to the Future" is missing and the movie's cast and filmmakers are asking for the public's help.

Marty McFly grabbed a guitar in “Back to the Future” and rocked out with the band at a 1950s high school dance, helping him narrowly avoid blinking out of existence before time-traveling back to the 1

Great Scott! The search is on to find the guitar Marty McFly played to a crowd of '50s-era high school students at the Enchantment Under the Sea Dance back in Back to the Future, which celebrates its 40th anniversary this summer.