Sheldon has the tendency to go cuckoo over the craziest things, but that's why we all love him, right?
In "The Proton Resurgence," Sheldon was ecstatic to find out that the host of his favorite childhood science show was available to do parties. And, what did he do? Of course, he hired Professor Proton to come over and do a party for him, Leonard and Penny. The premise was ridiculous, but it ended up being quite funny.