The Flash "When Harry Met Harry" episode synopsis:
When collectors of Native American artifacts are attacked by a meta named Mina Chayton (guest star Chelsea Kurtz) who can bring inanimate objects to life, Barry (Grant Gustin) turns to a surprising ally for help. Determined to crack the identity of The Thinker, Harry (Tom Cavanagh) enlists Cisco’s (Carlos Valdes) help to summon the ultimate think tank: “The Council of Wells’,” a roundtable of the brightest Harrison Wells’ from various Earths. Brent Crowell directed the episode written by Jonathan Butler & Gabriel Garza (#406). Original airdate 11/14/2017.
Legends of Tomorrow "Helen Hunt" episode synopsis:
When the Legends track down an anachronism in 1930s Hollywood, they discover it’s none other than a time-displaced Helen of Troy and she’s just started a war between two film studios. As the Legends try to fix history and return Helen (guest star Bar Paly) to the Bronze Age, things get complicated when they are blindsided by the appearance of a former enemy. Sara (Caity Lotz) contemplates an offer she is made, which would make the Legends leave the anachronisms be. Meanwhile, Stein (Victor Garber) and Jax (Franz Drameh) find themselves in an unusual predicament. Dominic Purcell, Brandon Routh, Nick Zano, Maisie Richardson-Sellers and Tala Ashe also star. David Geddes directed the episode written by Keto Shimizu & Ubah Mohamed (#306). Original airdate 11/14/2017.
The Flash airs Tuesdays at 8pm EST followed by Legends of Tomorrow at 9pm EST on Tuesdays.