“We put an enormous amount of work and effort into the IMAX 70mm film format release at the time feeling like we didn’t know how much longer we’d be able to do that.” During its time, “Interstellar” ...

If you want to see it on 70mm film, it's only playing in that format in five states in addition to Toronto, Canada. There are 11 theaters in total showing "Interstellar" in 70mm. 42 theaters in 20 ...