This week's episode covers a number of great shows including the amazing crossover episode of Supergirl and Flash, "World's Finest," plus a race featuring book pages, a bevy of trailers, and the first ever WDYWTW corrections and omissions from listeners! All this, plus Mike has finally tumbled down the rabbit hole that is Limitless, and John asks what is up with Jim Gordon's hair, only on the latest installment of What Did You Watch This Week!