haiyore nyaruko-san the refenrences of the ep 3

references of ep 1 http://www.youtube.com/watch?v=bbmoEa4w0ws
refences of ep 2 http://www.youtube.com/watch?v=qwuBmVXSfs0
references of ep 5 http://www.youtube.com/watch?v=MTTK5e-7qAU