[Plugin: Sociable] Facebook Like Button Missing on Only One Post

I’m not sure what has happened, but the Facebook like button is missing on only one post. Can someone who’s more of an expert help me correct this?

My blog is self-hosted, and its url is:

http://www.spellboundbymovies.com/

If you scroll down the front page, you can see Sociable is fully working on all posts but this one:

http://www.spellboundbymovies.com/2012/09/21/elsa-lanchester-as-queenie-in-bell-book-and-candle/

I’m not a coder or developer, just a blogging enthusiast, so that may give you an idea of my skill set. If something very obvious is conflicting, I likely wouldn’t know.

http://ww.wp.xz.cn/extend/plugins/sociable/