This video shows how to defeat all bosses with Peach and her Transformations in Princess Peach: Showtime! for Nintendo Switch. This also includes the final boss and ending.
00:00 Thorn Plant
01:35 Cowboy
03:03 Darkle Boss: Disco Wing
06:08 Phantom Knight
08:11 Dark Swordfighter
10:32 Sour Bunch Figure Skater 1
12:24 Darkle Boss: Light Fang
15:57 Dark Baker
19:25 Darkle Boss: Purrjector Cat
23:10 Kung Fu Master 1
23:59 Darkle Boss: Spotlion
27:49 UFO
29:26 Kung Fu Master 2
30:31 Kung Fu Master 3
33:22 Sour Bunch Figure Skater 2
34:33 Sour Bunch Figure Skater 3
36:48 Madame Grape
45:11 Grape The Great