Harry and the Harrisons

When they need an organic weapon to use against Thinker, Team Flash turns to Amunet... but Caitlin has an ulterior motive. Meanwhile, Cisco forms a "Council of Harrisons" after the Council of Wells kicks Harry out of the group

The Flash Season 4, Episode 21 - Harry and the Harrisons

Airdate: May 8, 2018