Episode 3 gets choppy for me. Anyone else?

Recently, I've been fighting my way through another playthrough. I noticed the frame rate for episode 3 gets really sluggish. This can be a problem, as a frozen screen often tends to prevent me from reaching a dialogue option sooner, which means I run out of time before I can tell Lee what to say.

As far as I know, the drive space on my PlayStation 3 isn't full, and this choppy frame rate doesn't surface on any other game I play on the system. Does anybody else here have the same problem with part 3?
Sign in to comment in this discussion.