Supernova began airing in 2015, replacing the previous Latvian selection format Dziesma.

[1][2][3] The season started out with twenty competitors; however, only four made it to the final, where Aminata and her song "Love Injected" was declared the winner.

[6][7] The season started out with twenty competitors; however, only four made it to the final, where Justs and his song "Heartbeat" was declared the winner.

[11][12] The season started out with twenty-two competitors; however, only four made it to the final, where Triana Park and their song "Line" were declared the winners.

[14] In the final, which was held on 24 February, Laura Rizzotto was declared the winner of the competition after her song "Funny Girl" scored the highest number of votes from the public.

In the semi-final, which took place on 5 February, seventeen acts competed and the top ten entries qualified to the final based on the combination of votes from a jury panel and the Latvian public.

In the semi-final, 14 acts competed and the top ten entries qualified to the final based on the combination of votes from a jury panel and the Latvian public.

15 acts competed and the top ten entries qualified to the final based on the combination of votes from a jury panel and the Latvian public.

19 acts competed and the top ten entries qualified to the final based on the combination of votes from a jury panel and the Latvian public.