The second season of 'The Rehearsal' on HBO, led by Nathan Fielder, showcased an array of props and stunts with a focus on air safety.The season ended with Fielder flying a passenger jet, surprising many but showcasing the audacious premise's successful execution.The show's exploration of cringe comedy and its potential to save lives was a central theme throughout the season.Season 2 of 'The Rehearsal' combined high-concept stunts with social commentary, suggesting a sustainable and repeatable format for the show.