My point is, most of the time, it's un-necessary. Take the episode of SHIELD I referenced. What purpose did it serve? Edit out that beginning, and what are we missing?
BB on the other hand, we see Walt open his car trunk and check out a very powerful gun. We don't find out why he has it until about 8 episodes later (or was it 16?). There is motivation for that reveal, because we already suspect the possibility of Walt being on the run.
Anyway, I just bring it up because it seems to be very overused these days.
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