A full game 100% complete walkthrough for Princess Peach Showtime on the Nintendo Switch. This includes the locations for all sparkle gems and ribbons in the story, including the EX challenges and boss battles.

Timecodes for all levels can be found below:
-- Floor 1 --
0:00 Intro
3:56 Castle of Thorns
15:28 Welcome to the Festival of Sweets
25:45 Ninjutsu: The Art of Rapids
33:55 Cowgirl in the Wilderness
42:28 Boss Fight: Disco Wing
48:05 Swordfighter Rehearsal

-- Floor 2 --
50:21 The Perfect Infiltration
1:00:05 The Ghostly Castle
1:07:15 The Dark Swordfighter & The Arena (Basement)
1:14:43 A Snow Flower on Ice
1:25:22 The Case of the Missing Mural
1:38:06 Boss Fight: Light Fang
1:43:20 Dashing Thief Rehearsal

-- Floor 3 --
1:45:12 Cowgirl at Dusk
1:51:56 The Dark Locomotive & The Doomed Town
1:58:13 Mighty Mission: Alien Invasion
2:08:47 Melody of the Sea
2:19:55 Welcome to the Spooky Party
2:28:14 The Dark Baker & The Bewitching Streets
2:36:47 Boss Fight: Purrjector Cat
2:42:06 Cowgirl Rehearsal

-- Floor 4 --
2:44:14 A Kung Fu Tale
2:55:37 The Case of the Rainy-Day Plot
3:10:32 The Dark Museum & The Purple Mystery
3:23:57 Ninjitsu: The Art of Flames
3:31:05 The Dark Ninja & The Legion of Guards
3:36:41 The Stolen Statue
3:44:53 The Dark Prison & The Dangerous Trap
3:53:16 Boss Fight: Spotlion
3:57:54 Kung Fu Rehearsal

-- Floor 5 --
3:59:59 A Parade on Ice
4:06:18 The Dark Ice & Shadowy Stage
4:12:13 Blight of the Sea
4:20:01 The Dark Depths & The Swirling Currents
4:25:36 Mighty Mission: the Rescue
4:34:16 A Kung Fu Legend
4:42:15 Mighty Rehearsal
4:45:02 Dark Space & The Great Manor
4:52:30 The Dark School & The Twisted Fist

4:58:24 Final Boss & Ending - Grape Battle

Princess Peach Showtime full gameplay playlist:    • Princess Peach Showtime