TV Review: "Run, Iris, Run!"

This episode of The Flash throws a few subplots in alongside the main plot. When a new bus meta (Leonardo Nam) pops up with the power to transfer metahuman abilities to other people with just a few touches, Team Flash is desperate to find him before DeVoe does. However, when confronted by Joe (Jesse L. Martin), Barry's (Grant Gustin) speed powers are transferred to Iris (Candice Patton). Until they can get him to switch them back, Iris has to fill in as Central City's heroic speedster.

Meanwhile, Harry (Tom Cavanagh) tries to replicate DeVoe's thinking abilities and best them by creating a thinking cap. However, Cisco (Carlos Valdes) having noted DeVoe's destabilization is hesitant to help and see the same thing happen to Harry.

Last, but certainly not least, having moved into S.T.A.R. Labs, Ralph is anxious to stay hidden away where DeVoe can't find him.

The episode had some good developments for Barry and Iris' relationship and a good development for Iris personally. Harry's thinking cap and the new bus meta promise to build into significant plot developments going forward. Ralph's feeling a little dispirited as he moves on from his last appearance might be a little believable, but for the audience, his shying away and then stepping up begins to feel repetitive. Overall, fairly fun episode with some minor developments for the future.

We got seven more episodes left this season and Hartley Sawyer seemed to indicate on Instagram that Ralph will not be appearing in another one of those. He'll be back in the next episode, though, "Null and Annoyed," airing April 10. Another wait. Lovely.

Viewers in the US may view "Run, Iris, Run!" at no charge during a limited availability window on the CW website and app. With the current licensing agreement, the entire fourth season of The Flash will be available on Netflix in June, 2018. Digital versions of the episode may be purchased on iTunes, Amazon Instant Video, Vudu, Google Play and other retailers of digital video content. Blu-Ray and DVD copies of the season are expected to be available for sale in or by September, 2018.

Non-US viewers should check their local listings, the websites of the channels that air The Flash, and digital video retailers.