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And even though the episodes are standalone stories, showrunner Andrew Dabb sees the two-hour slot as an opportunity.

Coming out of the finale, people will have a pretty good idea of where things are going.

All Along the Watchtower

Credit: Dean Buscher/The CW

When season 12 ends, Dabb hopes theyve created a finale thats a bit of both.

Butwhatis happening in the finale isnt the only draw.

Theres also the matter ofhowits happening.

Like some of thebest episodes before it, this one will get a little meta.

Finales, by definition, cant go too crazy, Dabb says.

But I will say this: Its by far the most meta finale weve ever done.

There are some twists coming that weve never done before.

Supernaturals season finale airs Thursday at 8 p.m.

ET on The CW.