The CW's "Crisis on Infinite Earths" crossover event will reportedly include the debut of DC Universe's Stargirl.

According to Business Insider, Stargirl will stream on the DC Universe streaming service while also appearing in "Crisis on Infinite Earths," which will bring together the Arrowverse heroes, along with a slew of special cameo appearances by Tom Welling, Kevin Conroy and Burt Ward, among others. The Stargirl TV series is will also reportedly air on The CW during an exclusive window.

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"The Stargirl character, played by Brec Bassinger, will be briefly introduced during the event," a source told BI, adding that the introduction will play into how Stargirl fits into the "bigger DC live-action universe."

Arriving in 2020, DC Universe's Stargirl stars Brec Bassinger as Courtney Whitmore (Stargirl), Joel McHale as Sylvester Pemberton (Starman), Brian Stapf as Ted Grant (Wildcat), Lou Ferrigno Jr. as Rex Tyler (Hourman) and Meg DeLacy as Cindy Burman, with Anjelika Washington, Yvette Monreal and Christopher James Baker as undisclosed DC characters.

"Crisis on Infinite Earths" begins Sunday, Dec. 8 on Supergirl, then continues in Batwoman on Monday, Dec. 9, and then picks up in The Flash on Tuesday, Dec. 10. After a winter hiatus, the crossover concludes on Tuesday, Jan. 14 on both Arrow and DC's Legends of Tomorrow.

KEEP READING: Crisis Showrunner Promises Even More Cameos Will Be Revealed