plus you can use up to 4 times less. enjoy the go with new charmin ultra soft. it's been a truly banner year for hollywood. some big-time blockbusters wowed audiences and brought in major money. >> which films took in the most and why? dan harris takes us "behind the curtain." >> reporter: it's a bird, it's the plane, it's the top selling movie of 2013. >> i got you. >> i got you first. >> reporter: "iron man 3" travelled the globe to the tune of $1.2 billion. that sky high number helped hollywood earn more in ticket