I cannot reproduce this problem. I need to know exactly which cult and thread you are trying to view, and how you got there (did you come from My Threads, browse history, Forums page in the header navigation, another thread, etc...)
I'll tell you a secret. We're working on big changes to NS so that the mobile site won't be necessary anymore. We want the full version of NS to work properly on any device; computer, tablet or mobile. In the mean time we need to maintain the mobile site, but it's not a priority since it will soon be deprecated.