Because of the COVID-19 pandemic, and the temporary shutdown of ABS-CBN, the season was halted on March 16, 2020, and after 3 months since the lockdown and legislative franchise, it was resumed on June 13, 2020, via the new cable-and-satellite, Kapamilya Channel and a simulcast in Jeepney TV and A2Z.

Rey Valera and Gary Valenciano returned as the head judges for the fourth season, with Louie Ocampo, Jaya, Ogie Alcasid, Yeng Constantino and Dulce serving as fill-in for both Valera and Valenciano, whereas Zsa Zsa Padilla, Karylle, Karla Estrada, K Brosas, Nyoy Volante, Mitoy Yonting, Erik Santos, Kyla, Jed Madela, Randy Santiago, and Jolina Magdangal would return as judges for the fourth season.

As a result of the enhanced community quarantine in Luzon, the hosts had to work from their homes during the lockdown period.

Results Details Nikole Kyle Bernido (Mindanao), Rica Mae Maer (Luzon) and Emmar Cabilogan (Visayas) were declared as the 1st, 2nd and 3rd grand finalists.

[12] Due to the popularity of the Quarter Finals and Semifinals Rounds, the show added another phase, dubbed as Resbakbakan.

Color Key:January 11, 2021 Karylle Jaya Vhong Navarro Kim Chiu Jhong Hilario January 12, 2021 Karylle Jaya Vhong Navarro Kim Chiu Jhong Hilario January 13, 2021 Karylle Jaya Vhong Navarro Kim Chiu Jhong Hilario January 14, 2021 Karylle Jaya Vhong Navarro Kim Chiu Jhong Hilario January 15, 2021 Karylle Jaya Vhong Navarro Kim Chiu Jhong Hilario January 16, 2021 Jaya Nyoy Volante Vhong Navarro Kim Chiu Jhong Hilario Donna Gift Ricafrente (Metro Manila) was declared as the 7th grand finalist.

Color Key:January 18, 2021 Yeng Constantino Randy Santiago Vhong Navarro Kim Chiu Jhong Hilario January 19, 2021 Angeline Quinto Randy Santiago Vhong Navarro Kim Chiu Jhong Hilario January 20, 2021 Angeline Quinto Randy Santiago Vhong Navarro Kim Chiu Jhong Hilario January 21, 2021 Angeline Quinto Randy Santiago Vhong Navarro Kim Chiu Amy Perez January 22, 2021 Angeline Quinto Randy Santiago Vhong Navarro Kim Chiu Jhong Hilario January 23, 2021 Angeline Quinto Randy Santiago Vhong Navarro Kim Chiu Jhong Hilario Makki Lucino (Luzon) was declared as the 8th grand finalist.

[26] The concept of the third week of Resbakbakan is similar to the Ultimate Resbak of third season where losing semifinalists return as wildcards.

Color Key:January 25, 2021 Karylle Mitoy Yonting Vhong Navarro Kim Chiu Jhong Hilario January 26, 2021 Karylle Mitoy Yonting Vhong Navarro Kim Chiu Jhong Hilario January 27, 2021 Karylle Mitoy Yonting Vhong Navarro Kim Chiu Jhong Hilario January 28, 2021 Karylle Mitoy Yonting Vhong Navarro Kim Chiu Amy Perez January 29, 2021 Karylle Mitoy Yonting Vhong Navarro Kim Chiu Jhong Hilario January 30, 2021 Karylle Mitoy Yonting Vhong Navarro Kim Chiu Jhong Hilario Rachell Laylo (Luzon) was declared as the 9th grand finalist.

[32] The 9 finalists from Quarter I, New Normal, and Resbakbakan rounds will now compete for the title of being the Grand Champion of this season.

The top 6 grand finalists will be determined throughout the week instead of the immediate advancement after each round in the previous seasons.

Theme: Fight Song Theme: Now or Never Song Randy Santiago Louie OcampoJaya Jed Madela Karylle Louie Ocampo Randy Santiago Jaya Zsa Zsa Padilla Karylle Erik Santos Jed Madela Nyoy Volante Mitoy Yonting Kim Chiu Vhong Navarro Jhong Hilario Amy Perez-Castillo Jugs Jugueta Teddy Corpuz Ryan Bang Results Details: Theme: Dream Song Theme: Medley Songs JM Yosures from Metro Manila emerged as the Grand Champion,[40][41] followed by Rachell Laylo as the second placer[42] and Ayegee Paredes as the third placer.