I'm trying to avoid spoilers before the break and it's really tough. As with many 'Smallville' season finales, there was a lot of story and a lot of callbacks stuffed into a very small period of time. There was also a rather gratuitous scene that was a continuation of Zod's tendency to burn people's flesh.
The episode itself was decent and wrapped up the Zod story line pretty well. I'm not sure at this stage if Callum Blue is signed up for next season, but it doesn't seem likely that he'll return at this stage. Still, it's 'Smallville,' and stranger things have happened.
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