The episode in general was very ordinary, in my humble opinion. It was unimaginative, a bland rehash of the wonderful "Cold Lazarus" from Stargate SG-1. Not to mention that the whole "evil entity feeding on people's worst fears" is something that was done ad nauseam in other shows/movies. And then there was the concept of having someone entering someone else's dream (just like in the movie "The Cell" where it was done in such a breathtaking way) which was also explored many times before. Had the writers put a different spin on both, it could have been an excellent episode but they didn't. So overall, I would say it was pretty disappointing.
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