"The Flash" episode "Crisis on Infinite Earths: Part Three", is directed by David McWhirter, airing December 19, 2019 on The CW:
"...'Pariah' (Tom Cavanagh) enlists 'Black Lightning' (Cress Williams) to help stop the 'Anti-Monitor' (LaMonica Garrett) after 'Flash-90' (John Wesley Shipp) shares what he learned from his battle in 'Elseworlds'. With the help of Black Lightning, 'Barry' (Grant Gustin), 'Cisco' (Carlos Valdes) and 'Killer Frost' (Danielle Panabaker) come up with a plan that could save them all.
"Meanwhile, 'Iris' (Candice Patton) has a heart-to-heart with 'Ryan Choi' (Osric Chau), while 'Oliver' (Stephen Amell) and 'Diggle' (David Ramsey) return to an old familiar stomping ground..."
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