All episodes Season 4 S04E16 2018-03-13 60 min 2010s The CW

The Flash

Run, Iris, Run

TV Flash files “Run, Iris, Run” as hour 85 of 184 in the TV Flash guide — The Flash (2014–2023) on The CW, season 4, episode 16, aired 2018-03-13, 60 min.

From the desk

How this hour is filed

This leaf is S04E16: listed hour 85 of 184 in the The Flash guide, hour 16 of 23 in season 4. It aired 2018-03-13 (60 min). The listed hour before it is “Enter Flashtime” (S04E15). Next is “Null and Annoyed” (S04E17).

The Flash — Run, Iris, Run (S04E16)

Catalog log

Broadcast listing — not a TV Flash recap.

Iris accidentally takes Barry's speed when a new meta with the power to swap powers touches both of them. Now they have to learn how the other half lives as Iris takes to the field and Barry monitors events. Meanwhile, Ralph refuses to leave S.T.A.R. Labs for fear that Clifford will kill him, and Harry undertakes a dangerous experiment to match their opponent's augmented intellect.

Viewer FAQ

Where does Run, Iris, Run sit in the The Flash guide?

S04E16 is listed hour 85 of 184 — hour 16 of 23 in season 4, season 4 episode 16.

When did The Flash S04E16 air?

Run, Iris, Run aired 2018-03-13 and is listed at 60 minutes.

Do I need Arrow first?

It is the 2014 spinoff and the Arrowverse's bright counter-argument. Arrow context helps; Barry's STAR Labs family is built to welcome a first-time speedster fan.

In the series

Why this series still plays

Grant Gustin's Barry Allen is the Arrowverse's heart-on-sleeve counter-argument: superspeed, STAR Labs found family, Reverse-Flash timeline headaches. Villains of the week plus season-long speedster myth. Sincere broadcast heroics — the cheerful engine that made CW crossovers annual events and multiverse storytelling feel like Thursday-night sport.

The CW did not stagger this one. **2014** put Grant Gustin's Barry Allen on the Thursday ledger as the Arrowverse's heart-on-sleeve counter-argument, and the overnights showed up. Greg Berlanti, Andrew Kreisberg, and Geoff Johns: forensic scientist gains superspeed, builds a found family of metahuman allies at STAR Labs — Candice Patton, Danielle Panabaker, Carlos Valdes, Tom Cavanagh's Wells, Jesse L. Martin's Joe. Villains of the week plus season-long speedster myth. Reverse-Flash timeline headaches included.…

Open the The Flash package · Season 4 hub

Filed against

Also in season 4

← Full episode guide · Show package · All shows