With just under two weeks to go until the conclusion of "Crisis on Infinite Earths," The CW has released new stills from "Part 4" of the five-show crossover.

The first photos from "Crisis on Infinite Earths, Part 4" tease a significant time jump. After all, when the Paragons appeared at the Vanishing Point, Ryan Choi was clean-shaven and fresh-faced. In the photos below, however, he sports a beard and a haggard expression. This seems to indicate that the heroes have been trapped there for some time when "Part 4" picks up. What's more, he and Lex Luthor appear to be working on some kind of device together.

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The photos also offer a glimpse at LaMonica Garrett's Anti-Monitor. The Anti-Monitor's arrival was teased in "Part 2," when he briefly appeared to Lyla Michael's Harbinger. The photo, snapped in the Vanishing Point, suggests he will get directly involved for "Part 4."

According to the episode synopsis,

OLIVER HAS BECOME SOMETHING ELSE IN PART FOUR OF “CRISIS ON INFINITE EARTHS.” EPISODE PENNED BY MARV WOLFMAN & MARC GUGGENHEIM – Stuck in the Vanishing Point, the Paragons search for a way to escape. The futility of the situation is compounded by The Flash’s (guest star Grant Gustin) disappearance. However, hope appears in the form of Oliver (Stephen Amell), who reveals that he has become something else. Meanwhile, the origin stories for The Monitor (guest star LaMonica Garrett) and Anti-Monitor are revealed. Glen Winter directed the episode written by Marv Wolfman & Marc Guggenheim (#808). Original airdate 1/14/2020.

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"Crisis on Infinite Earths" will return after the winter hiatus. The crossover will conclude on Tuesday, Jan. 14 on Arrow at 8 p.m. ET/PT and in DC's Legends of Tomorrow at 9 p.m. ET/PT. The Supergirl, Batwoman and Flash episodes are now available to stream on The CW.