Theme Making site slow

I Have this time called At the movie which is making the site to load slow like 10-15sec’s.But when i apply other themes it loads normally in 1-3 sec’s.can anyone here tell me what is the problem and and help me to fix plzzz.

here is my site URL htttp://fzone.manamoviemagic.com with the current theme(At The Movie) that loads 10-13 secs late !