You should watch BB6.
The unintentional duality between BB6/BB7 is very unique. BB7 is in some ways the sequel to BB6, where the good guys from BB6 become the bad guys on BB7 (somewhat). I loved Howie in BB6, but in BB7 he became... stranger. His character was constantly put into question, and he oftentimes paled in comparison to Will (no pun intended). Kaysar and James were the same, for the most part. But vilified moreso. Janelle seemed somewhat weaker than in BB6. Dunno why. Maybe it was because of Will.
The dynamic is pretty interesting.
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ziggie ziggie wop wop