One thing to take out of CW's DC's Legends of Tomorrow season finale "Hey, World!"? Our heroes definitely won't be sitting out "Crisis on Infinite Earths."
!['DC's Legends of Tomorrow' Season 4 Finale: Because It's Not Really a "Crisis" Without the Waverider Crew [SPOILERS]](https://mlpnk72yciwc.i.optimole.com/cqhiHLc.IIZS~2ef73/w:350/h:350/q:75/rt:fill/g:ce/https://bleedingcool.com/wp-content/uploads/2019/05/crisis-3-350x350.jpg)
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!['Supergirl' Season 4 Finale: Guess Who Showed Up for Some "Crisis" Management? [SPOILERS]](https://mlpnk72yciwc.i.optimole.com/cqhiHLc.IIZS~2ef73/w:350/h:350/q:75/rt:fill/g:ce/https://bleedingcool.com/wp-content/uploads/2019/05/crisis-6-350x350.jpg)
If you didn't catch the season 4 finale of CW's Supergirl "The Quest for Peace," then check out the "Crisis on Infinite Earths" spoiler-teasers here...
CW's Arrowverse "Crisis on Infinite Earths" includes Arrow, The Flash, Supergirl, DC’s Legends of Tomorrow, and Batwoman; runs five hours over two quarters.