These mind bending flicks deserves to be seen twice! For this list, well be looking at movies that are best appreciated on repeat viewings - be it because of heady concepts, a complex plot or just having a lot of moving parts. Our countdown includes Joker, Pulp Fiction, Interstellar, Us, Shutter Island, and more! What movie left you scratching your head the first time you saw it? Tell us in the comment below!Watch more great movie videos here: Top 10 Movies Everyone Should See at Least Once: