If TNBA is not included I'd be shocked. It was considered the same show and WHV released it that way too on DVD (it was Volume Four). And you're right that they don't need to include Gotham Girls. They don't actually need to include ANY special features whatsoever. Doesn't mean I wish they didn't.
I'll repeat again, it's a sequel to BTAS, not the fifth and sixth seasons of BTAS. Has anyone in the production team said that TNBA is actually a new season of BTAS?
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