Flags finalized plans to move its corporate headquarters to the Centerfield Office Building at Globe Life Park in Arlington, Texas. The offices were remodeled over the summer and Six Flags personnel moved in during the last few months of the year. On March 13, 2020, with only a few parks already opened for the 2020 season, Six Flags announced that all its properties would suspend operations due to the COVID-19 pandemic. During the closure, parks donated supplies and food to their local communities. As of August 2020, some Six Flags operations were still suspended. On May 13, Six Flags announced that when the parks reopen guests will be required to reserve their place online to enter the park, including purchasing their tickets to the park and parking. Six Flags Great Adventure opened its drive-through safari to the public on May 30. Frontier City became the first park of the company to reopen on June 5, with new health and safety protocols. Soon after Frontier City's announcement, several other parks in the company announced their reopening dates. Starting on February 19, 2021, Six Flags had started gradually re-opening their amusement parks to the public for the upcoming season due to reduced COVID-19 restrictions, and by May of that year, all parks had successfully re-opened to the public. On March 22, 2021, Six Flags announced that Six Flags Great America's Hurricane Harbor park would be converted into a separate park, becoming Six Flags Hurricane Harbor Chicago. Since its opening in 2005, the park was a part of Great America, but in recent years had started charging a one-day ticket upgrade to access the park. The change into a separate park meant that Hurricane Harbor Chicago would become the 27th Six Flags park in the chain. On November 15, 2021, Six Flags Entertainment Corporation announced that Mike Spanos had stepped down and Selim Bassoul, the former chairman of the board, would become president and CEO of the company effective immediately. Ben Baldanza, a former airlines industry executive, was elected to replace Bassoul as the chairman of the board. Marketing efforts TV commercials In 2004, although DC Comics and Looney Tunes as well as Scooby-Doo still had a major presence at the parks, Six Flags began a new series of commercials for the parks. The commercials introduced a new mascot: "Mr. Six", a seemingly feeble old man in a tuxedo and red bow tie.