Trivia / Un, dos, tres

• Anonymous Author: When the show started, at first Chicho, its creator and director didn't want to appear in the credits at all. This was suggested by his father, Narciso Ibáñez Menta, out of fear that making a game show would ruin his reputation as a serious horror director. When the show turned out to be a massive success in Spain and the audience started demanding to know who had created the show, since the 16th episode of season 1, Chicho started crediting himself normally.
• Missing Episodes: As it happened with other TV stations all over the world, TVE destroyed many of their archives' shows total or partially by recording over the tapes, to save money and storage space. "Un, dos, tres" was no exception. In fact, only seasons from 6 to 10 of the show are complete in the archives. The first five seasons are all incomplete, and seasons 1, 2 and 4 are the most damaged. 3 out of 54 episodes from season 1, 4 out of 83 from season 2, 30 out of 84 from season 3, 4 out of 26 from season 4 and 12 out of 26 from season five are the episodes known to survive in their entirety from the incomplete seasons. From the 14th episode of season 5, dedicated to "Burocracy", nicknamed as "The Sinister Office", originally broadcast in January 10, 1986, all episodes are preserved in the archives. Some copies of lost episodes survive only in the hands of private individuals in home made recordings of the original broadcasts, usually of bad or decaying quality. Also, some raw unedited copies of the recording sessions of some lost episodes are preserved in the archives as well, and a few fragments of different lengths from other episodes are known to exist too, the oldest one a ten minute fragment from the fourth episode of season one, broadcast in 1972.
• Photographic Memory: Said to be one of the reasons why Mayra Gómez Kemp was promoted to hostess in season 3. Back then there were no earpieces or auto-cues, so the hosting gig required memorizing very long scripts, a task Mayra didn't have much of a problem with. In a matter of one day, she memorized not just her own lines, but also everyone else's, so that she'd be able to help the actors if they got choked, to avoid doing another take. Cast members nicknamed her "Mayra Gómez Casio", for the brand of calculators.
• Real-Life Relative: The three actresses that portrayed the sisters collectively known as Las Tacañonas were real-life sisters Paloma, Teresa and Fernanda Hurtado.
• Recursive Import: Several ideas from the show's versions in other countries found their way into the original.
  • From 3-2-1 (UK):
    • Mayra Gómez Kemp's signature Grand Staircase Entrance.
    • The design of the set in the third season was based on the 1982 3-2-1 set.
    • Miriam Diaz Aroca's hand gesture at the end of each episode was borrowed from Ted Rogers.
    • The first round question format in the fourth and fifth seasons.
    • The introductions for the contestants in the ninth season.
  • From De 1-2-3 show (Netherlands):
    • The 'split stands' set design with light panels and an illuminated staircase introduced in the fourth season.
    • The spectacular musical numbers in the seventh to ninth seasons featuring large dance crews. This was also usual in Die verflixte sieben, the German version.
  • From Un, dois, tres (Portugal):
    • The introduction to the contestants, who also did the question round on the stage, in the early episodes of the fourth season.
• Romance on the Set: Luis Larrodera, who served as host for the 2004 revival, met his now-wife Laura de la Calle, who was a secretary, while filming the show. They have one daughter.