The Rehearsal: Nathan Fielder stages life's big moments so people can practise them first

The Rehearsal grew out of one scene in the finale of Nathan for You, Fielder's cult show about helping small businesses: he hired an actress to rehearse a man's reunion with a lost love before it happened. The idea that a consequential human moment could be practised like a play was too rich to abandon, so he made it the entire premise of his HBO follow-up.

Recruitment was an anonymous classifieds ad asking 'Is there something you're avoiding?' The respondents who appeared rehearsed confessions to friends, financial confrontations with relatives and the prospect of parenthood. Each rehearsal was mounted with unusual care: the production rebuilt real locations in exact detail, actors were trained to observe and approximate the actual people involved, and every conversational possibility was mapped into vast flow diagrams.

The show's signature examples made the conceit literal. One subject, a 50-year-old teacher planning to confess a decade-old lie, stood speechless inside a precise replica of his favourite New York trivia bar; another moved into a home where the first 18 years of a potential baby's life were simulated in two months, with child actors rotated in as the boy aged and crew members pushing carrots into the garden for continuity.

What made The Rehearsal more than a stunt was what happened when the plan met real life: subjects froze, went off script, and Fielder himself became the show's central subject. Reviewers called the six-part series one of the most ambitious documentary programmes of the year and argued about its ethics; HBO renewed it, and a second season began streaming in April 2025.