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The open call built the format

The blind audition, the six-city qualifier, the Vegas callback week: formats treat these as a warm-up act. These are the tryouts that built the panel, the course, and the season's whole shape before the real competition even began.

Entries
14
Unique shows
6
Curated by
tiered.tv editor
Last revised
August 2026
No spoilers · reviewed

The 14, in order.

Ranked · Editor's pick
  1. #01

    Idol tore up its touring audition circuit for one Nashville stage

    Season 24 replaced the decades-old, city-hopping audition tour with one stop at Belmont University, folded Hollywood Week into a rebranded Music City Takeover, and still drew the ABC era's biggest premiere audience in four years.
  2. #02

    The qualifiers left Venice Beach and became a six-city search

    Six regional cities — Dallas and Miami among them — replaced the format's original single-city model, and national finals moved off Mount Midoriyama onto a US-built Vegas course for the first time. The entry point changed more than the finals did.
  3. #03

    The audition tour started sorting dancers by style, not gender

    For the first time, five open-call cities fed dancers into Stage and Street squads instead of the usual men-versus-women split, each squad mentored by a different choreographer before a single live show aired.
  4. #04

    A team gauntlet got inserted between the tryout and Japan

    Season two built a stage that hadn't existed a year earlier: Ninja Warrior Boot Camp, run across the California mountains, filtering hopefuls before they ever reached Mount Midoriyama. Everyone still funneled in through the same single Venice Beach trial.
  5. #05

    The tryout stage had to fill twice as many chairs

    Season six doubled the live-round finalist pool to twenty-four, the biggest stretch the audition circuit had been asked to support since the debut — proof the front-of-season machinery could scale with the show's growing ambition.
  6. #06

    A Vegas callback week became the format's real testing ground

    A six-judge rotating panel and 116 dancers narrowed at Las Vegas's Aladdin Hotel replaced the smaller debut tryout entirely. The training-camp structure the franchise leaned on for years afterward starts here.
  7. #07

    Before it was its own show, it was just someone else's tryout

    Qualifying trials in Venice, California existed to send a handful of Americans to Japan's Mount Midoriyama. The format hadn't decided yet that it was a competition in its own right.
  8. #08

    A five-city bus tour invented the format's whole front door

    Simon Cowell, Randy Jackson, and Paula Abdul sorted singers through a nationwide audition tour with no prior template. The viewer vote that followed only worked because the tryout stage had already done the sorting.
  9. #09

    Three cities and a callback week set the rules everyone kept

    Open auditions in Chicago, New York, and Los Angeles fed into a choreography round that narrowed the field to sixteen, the funnel structure the franchise still runs on, invented from a standing start.
  10. #10

    The tryout hid the singer and the format never looked back

    Four coaches sat in spinning chairs with their backs to the stage, judging strangers on sound alone. The blind audition arrived fully formed in week one and became the format's whole identity.
  11. #11

    Four mismatched ears made the blind audition a real gamble again

    Snoop Dogg and Michael Bublé joined Reba McEntire and Gwen Stefani for the most tonally scattered panel the show has assembled, making the blind-audition stage more unpredictable than any prior season's chair turns.
  12. #12

    A nationwide search invented the whole format, with no local playbook to borrow from

    MasterChef Australia opens with a country-wide audition hunt and a three-judge panel earning its chemistry live, on air, with nothing to copy. The search itself does the real work of deciding who reaches the bench, months before the elimination rounds even find their rhythm.
  13. #13

    With no format yet, the open call decided what the show was

    Regis Philbin anchored a judging table with zero inherited precedent, and singers, comedians, and acrobats shared one stage because nobody had defined a category the format wouldn't accept.
  14. #14

    On-air auditions return after a five-season absence to do the sorting again

    The tryout stage returns to camera after five seasons handled off-screen — the sorting of the cast happens where the audience can watch it, not before the broadcast even starts.
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The open call built the format — tiered.tv