The following contains spoilers from the first four episodes of "The Circle" Season 4.
"I'm actually a bit scared now — my heart's beating really fast," Mel B tells Emma Bunton upon entering "The Circle."
That's right, two of the Spice Girls are on the fourth season of "The Circle," Netflix's social experiment/reality competition in which contestants build online personas for bonding and backstabbing each other without meeting face to face.
