Crisis On Infinite Earths: 36 Easter Eggs, Cameos And References You Probably Missed
9. A Trip Through Arrow History
While much of the Crisis crossover was dipped in nostalgia, it was Arrow's installment that offered up a heavy dose of Arrowverse memories, when the Paragons were scattered throughout the Speed Force and trapped in memories of days-gone-by.
As a result, we witnessed flashbacks to the show's third season as Oliver and Ray argued and Laurel and Diggle mourned Sara, its fifth when Oliver and Supergirl discussed strategy during the Invasion! crossover and last season when the Emerald Archer defeated Deegan and the Book of Destiny.
With 'Crisis On Infinite Earths: Part Four' serving as the final time Arrow will take part in the annual Arrowverse crossovers, this was a nice way to bid it farewell while also adding to the narrative.