Season 5 is an upcoming season of PJ Masks. On January 28, 2020, sources confirmed that the fifth season is now in production.[1] The source provided states that the season is slated to premiere in 2021.[2] The source confirmed that they have started shooting on April 1, 2020 and ended on April 1, 2021.
However, it should be noted that both of these were confirmed via a French source, as most English sources for Season 5 only confirm it being greenlit due to mostly being posted on January 29, 2020.
