The sixth season of Philippine amateur singing competition Tawag ng Tanghalan, titled Tawag ng Tanghalan: Ika-anim na Taon, was an amateur singing competition aired as a segment of the noontime variety television show It's Showtime.
From January 6 to 15, 2022, daily live production of It's Showtime was halted due to the surge of COVID-19 cases caused by the Omicron variant.
In the first round, dubbed as "Battle of Versions," daily contenders perform the same song with their renditions.
Anne Curtis and Jhong Hilario both returned to their hosting duties in May and June after their respective hiatuses.
Louie Ocampo, Ogie Alcasid, Zsa Zsa Padilla, Erik Santos, Klarisse de Guzman, Nyoy Volante, Jed Madela, Karylle, Yeng Constantino, Kyla, Angeline Quinto, and Jolina Magdangal returned as judges for the sixth season.
Marco Sison, Darren Espanto, and Jona Viray joined the judging panel on November 1, 2022,[8] February 21, 2023[9] and April 17, 2023[10] respectively.
Randy Santiago, Rey Valera, and K Brosas did not return due to their commitments to Sing Galing.
Ryan Ayangco (Luzon), who became a defending champion on January 3, 2022, withdrew from the competition the next day due to health reasons.
Patricia Ivy Peñano (Luzon), who became a defending champion on January 4, 2022, also withdrew from the competition on the next week for health reasons.
Alfred Bogabil (Luzon), who became a daily winner on May 30, 2022, withdrew on the Face Off Round for health reasons.
The Top 2 Quarter Finalists with the highest scores at the end of the week will move on to the semifinals and will receive ₱25,000.
The elimination process follows a hot-seat procedure, similar to the Instant Resbak Round in Year 3.