Tickets for 2021-22 will go on sale Oct. 12 and Gelb hopes people will role over their tickets from 2020-21 rather than seek refunds. He also hopes for early negotiations to revise contracts that expire next summer with The American Guild of Musical Artists, which represents the chorus, and Local 802 of the American Federation of Musicians, which represents the orchestra.

The Met intends to shorten some of its presentations when it returns and start more performances at 7 p.m.

“We can’t resume performing until the pandemic is over with a vaccine that’s widely available and herd immunity having been achieved, and even then the audience is going to return slowly,” Gelb said. “One of the things that we have to mind going forward is a way with our unionized employees, new economic arrangements that the company can afford going forward.”

“Eurydice” stars Erin Morley in a Mary Zimmerman staging conducted by Nézet-Séguin that opens Nov. 23, 2021. “Hamlet” stars Allan Clayton, Brenda Rae and Rod Gilfry in a Neil Armfield staging that opens May 13, 2022.

Nézet-Séguin conducts five productions, including the Met premiere of the French five-act version of Verdi’s “Don Carlos” in a David McVicar staging starring Günther Groissböck and Sonya Yoncheva that opens Feb. 28, 2022.

Bart Sher’s staging of Verdi’s “Rigoletto,” which opened in Berlin in June 2019, starts Dec. 31, 2021, with Quinn Kelsey. A Simon Stone staging of Donizetti’s “Lucia di Lammermoor” begins April 23, 2022, with Nadine Sierra and Javier Camarena. A Verdi Requiem marks the 20th anniversary of the Sept. 11 terrorist attacks.