If you break a coffee cup and glue it back together, it might hold water again, but it will always have cracks.
Introduced as Barry's new, arrogant CSI lab partner (played by Tom Felton). He has worked with Barry for a year in this rewritten timeline, and he openly distrusts him.
Quietly discovers she is beginning to manifest ice powers, signaling her impending transformation into Killer Frost. 🔬 New Faces and Villains
Sullen and not speaking to each other because Joe kept the secret that Iris's mother was actually alive.
When Barry returns to what he thinks is his normal timeline, he realizes his relationships are shattered:
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In a subtle cross-show ripple effect, Diggle's daughter Sara was erased and replaced by a son, John Jr.
This pivotal episode deals with the heavy fallout of Barry Allen's decision to create and then undo the "Flashpoint" timeline. Here is a complete breakdown of the episode to help you put together your piece or review: ⚡ The Core Theme: Broken Cups & Lasting Cracks