¿Quién es la Máscara? 2019

Overview

Topic: Television series "¿Quién es la Máscara?" (2019).
Role: Meticulous television and film archivist.
Constraints:
Write ONLY verifiable facts from provided SYNOPSIS and SOURCES.
No invented/guessed titles, names, dates, episode counts, awards, ratings, etc.
Original, neutral, encyclopedic prose.
Plain text ONLY (no markdown, asterisks, headings, bullet points).
Word count: 150-190 words.
First sentence must not contain spoilers.
Omit details not in the material.
Title: ¿Quién es la máscara? (Spanish for Who is the Mask?)
Type: Mexican talent reality television series.
Year: 2019.
Producers: Televisa and Endemol Shine Group (Source 1, 2); Televisa and Endemol Shine Boomdog (Source 4); Endemol Shine Group for TelevisaUnivision (Source 5).
Based on: South Korean television show King of Mask Singer created by Seo Chang-man (Source 1, 2, 4).
Additional context: Source 5 says it is based on the US format The Masked Singer, which is based on the South Korean show. Source 4 says Televisa is the second network in the Americas to obtain the franchise. Source 5 says it is the first Spanish-speaking adaptation.
Streaming: Not available in the US (Source 6).
Draft 1:
¿Quién es la máscara? is