Supergirl season 4, episode 9 live stream: Watch Elseworlds online

Supergirl will close the Arrowverse’s three-part crossover event, Elseworlds. A look at how to watch “Elseworlds, Part 3” online on Tuesday, Dec. 11.

The past two nights, Arrow, The Flash and Supergirl have teamed up Elseworlds, the three-part crossover event that unites the Arrowverse and forces them to take down a common foe. This time around, it’s the Monitor and Dr. John Deegan who are rewriting reality with a book.

The Flash aired on Sunday and Arrow on Monday. However, for one night, Supergirl will take over on Tuesday, Dec. 11, compared to its usual Sunday timeslot.

Elseworlds has centered on Barry Allen and Oliver Queen, as they had their lives swapped. Kara Danvers was still a factor in the storylines, but somewhat in the background. That will change with this Supergirl-centric episode, as she tries to help Barry and Oliver, both of whom are considered criminals in the latest rewriting by Deegan.

There’s also a different version of Superman, as Clark Kent donned the popular black suit to close “Elseworlds, Part 2.” What’s his role in Kara’s storyline to close this crossover? Might viewers see Batwoman re-enter the fray to help her new friend? Who else will appear?

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Details on how to watch Supergirl and the final part of Elseworlds are below. This includes the start time, TV info, live stream and more:

Date: Tuesday, Dec. 10
Time: 8:00 p.m. ET
Season: 4
Episode: 9 “Elseworlds, Part 3”
TV info: The CW
Live stream: 

For those who miss “Elseworlds, Part 3,” it will air on on Wednesday, Dec. 12 for streaming. There’s plenty of time to watch all three shows on, as the Arrowverse shows will leave for the rest of 2018 and return in January, 2019.

There’s much to anticipate in this final part of the Arrowverse’s crossover. How will the three-part journey end?