Mario, Luigi, a bunch of hapless Toads, and a space witch explore the universe to collect Power Stars and foil Bowser's cosmic schemes.
Missions by video:
1 - comet
- [8:15] Gateway Galaxy - Grand Star Rescue
- [3:18] Good Egg Galaxy - Dino Piranha
- [0:52] Good Egg Galaxy - A Snack of Cosmic Proportions
- [12:14] Good Egg Galaxy - King Kaliente's Battle Fleet
- [1:11] Honeyhive Galaxy - Bee Mario Takes Flight
- [2:25] Sweet Sweet Galaxy - Rocky Road
- [6:56] Flipswitch Galaxy - Painting the Planet Yellow
- [10:34] Loopdeeloop Galaxy - Surfing 101
- [1:21] Bowser Jr.'s Robot Reactor - Megaleg's Moon
- [8:35] Rolling Green Galaxy - Rolling in the Clouds
- [1:18] Space Junk Galaxy - Kamella's Airship Attack
- [9:06] Space Junk Galaxy - Yoshi's Unexpected Appearance
- [1:10] Space Junk Galaxy - Pull Star Path Speed Run
- [6:08] Space Junk Galaxy - Tarantox's Tangled Web
- [13:38] Sling Pod Galaxy - A Very Sticky Situation
- [1:05] Honeyhive Galaxy - Honeyhive Cosmic Mario Race
- [5:04] Battlerock Galaxy - Battlerock Barrage
- [10:54] Hurry-Scurry Galaxy - Shrinking Satellite
- [1:03] Battlerock Galaxy - Battlerock's Garbage Dump
- [6:47] Battlerock Galaxy - Breaking into the Battlerock
- [13:01] Battlerock Galaxy - Topmaniac and the Topman Tribe
- [1:39] Bowser's Star Reactor - The Fiery Stronghold
- [9:55] Battlerock Galaxy - Topmaniac's Daredevil Run
- [1:48] Beach Bowl Galaxy - Sunken Treasure
- [1:26] Drip Drop Galaxy - Giant Eel Outbreak
- [7:11] Beach Bowl Galaxy - Passing the Swim Test
- [10:52] Beach Bowl Galaxy - The Secret Undersea Cavern
- [1:12] Ghostly Galaxy - Luigi and the Haunted Mansion
- [9:35] Beach Bowl Galaxy - Fast Foes on the Cyclone Stone
- [1:06] Good Egg Galaxy - Luigi on the Roof
- [3:34] Beach Bowl Galaxy - Wall Jumping up Waterfalls
- [10:34] Bubble Breeze Galaxy - Through the Poison Swamp
- [1:16] Ghostly Galaxy - Bouldergeist's Daredevil Run
- [6:30] Ghostly Galaxy - Matter Splatter Mansion
- [0:55] Buoy Base Galaxy - The Secret of Buoy Base
- [3:33] Bowser Jr.'s Airship Armada - Sinking the Airships
- [11:56] Honeyclimb Galaxy - Scaling the Sticky Wall
- [2:13] Gusty Garden Galaxy - Bunnies in the Wind
- [10:50] Gusty Garden Galaxy - The Dirty Tricks of Major Burrows
- [1:07] Honeyhive Galaxy - Luigi in the Honeyhive Kingdom
- [5:11] Gusty Garden Galaxy - Gusty Garden's Gravity Scramble
- [14:00] Gusty Garden Galaxy - The Golden Chomp
- [1:06] Gusty Garden Galaxy - Major Burrows's Daredevil Run
- [4:22] Freezeflame Galaxy - The Frozen Peak of Baron Brrr
- [0:47] Freezeflame Galaxy - Frosty Cosmic Mario Race
- [3:54] Freezeflame Galaxy - Freezeflame's Blistering Core
- [12:25] Freezeflame Galaxy - Hot and Cold Collide
- [0:34] Freezeflame Galaxy - Conquering the Summit
- [1:03] Dusty Dune Galaxy - Soaring on the Desert Winds
- [1:14] Dusty Dune Galaxy - Bullet Bill on Your Back
- [5:34] Dusty Dune Galaxy - Treasure of the Pyramid
- [11:34] Bowser's Dark Matter Plant - Darkness on the Horizon
- [1:38] Rolling Gizmo Galaxy - Gizmos, Gears, and Gadgets
- [6:57] Loopdeeswoop Galaxy - The Galaxy's Greatest Wave
- [11:25] Bubble Blast Galaxy - The Electric Labyrinth
- [2:22] Bowser's Galaxy Reactor - The Fate of the Universe
- [1:05] Honeyhive Galaxy - The Honeyhive's Purple Coins
- [2:34] Bowser Jr.'s Lava Reactor - King Kaliente's Spicy Return
- [9:37] Gateway Galaxy - Gateway's Purple Coins
- [1:51] Boo's Boneyard Galaxy - Racing the Spooky Speedster
- [6:18] Battlerock Galaxy - Purple Coins on the Battlerock
- [11:58] Deep Dark Galaxy - The Underground Ghost Ship
- [1:40] Deep Dark Galaxy - Guppy and the Underground Lake
- [6:39] Deep Dark Galaxy - Ghost Ship Daredevil Run
- [10:35] Deep Dark Galaxy - Boo in a Box
- [1:24] Beach Bowl Galaxy - Beachcombing for Purple Coins
- [16:38] Ghostly Galaxy - Purple Coins in the Bone Pen
- [1:55] Dusty Dune Galaxy - Purple Coins in the Desert
- [1:46] Gusty Garden Galaxy - Purple Coins on the Puzzle Cube
- [6:17] Freezeflame Galaxy - Purple Coins on the Summit
- [1:10] Toy Time Galaxy - Mario Meets Mario
- [6:35] Toy Time Galaxy - Luigi's Purple Coins
- [11:54] Toy Time Galaxy - The Flipswitch Chain
- [1:05] Sea Slide Galaxy - Going after Guppy
- [5:10] Sea Slide Galaxy - Faster Than a Speeding Penguin
- [9:21] Sea Slide Galaxy - Underwater Cosmic Mario Race
- [11:18] Sea Slide Galaxy - The Silver Stars of Sea Slide
- [1:12] Sea Slide Galaxy - Purple Coins by the Seaside
- [1:12] Gold Leaf Galaxy - Star Bunnies on the Hunt
- [9:53] Gold Leaf Galaxy - The Bell on the Big Tree
- [13:03] Gold Leaf Galaxy - Cataquack to the Skies
- [1:03] Gold Leaf Galaxy - When It Rains, It Pours
- [9:35] Gold Leaf Galaxy - Purple Coins in the Woods
- [16:31] Gold Leaf Galaxy - Cosmic Mario Forest Race
- [1:20] Dreadnought Galaxy - Infiltrating the Dreadnought
- [9:17] Dreadnought Galaxy - Dreadnought's Colossal Cannons
- [1:07] Dreadnought Galaxy - Dreadnought's Garbage Dump
- [7:03] Dreadnought Galaxy - Battlestation's Purple Coins
- [1:03] Dreadnought Galaxy - Revenge of the Topman Tribe
- [6:28] Dreadnought Galaxy - Topman Tribe Speed Run
- [11:03] Matter Splatter Galaxy - Watch Your Step
- [1:41] Snow Cap Galaxy - Star Bunnies in the Snow
- [9:20] Melty Molten Galaxy - Through the Meteor Storm
- [1:18] Melty Molten Galaxy - Lava Spire Daredevil Run
- [7:54] Melty Molten Galaxy - Fiery Dino Piranha
- [1:46] Melty Molten Galaxy - Red-Hot Purple Coins
- [15:32] (Redo) Bowser's Galaxy Reactor - The Fate of the Universe
- [2:00] Honeyhive Galaxy - Honeyhive Cosmic Luigi Race
- [8:04] Freezeflame Galaxy - Frosty Cosmic Luigi Race
- [11:37] Sea Slide Galaxy - Underwater Cosmic Luigi Race
- [1:17] Ghostly Galaxy - Luigi and the Haunted Mansion
- [3:59] Gold Leaf Galaxy - Cosmic Luigi Forest Race
- [6:22] Grand Finale Galaxy - The Star Festival
- Chapter 1: The Celestial Duo (from video #13)
- Chapter 2: Star Bits (from video #13)
- Chapter 3: The Comet (from video #14)
- Chapter 4: The Dream (from video #16)
- Chapter 5: Home (from video #19)
- Chapter 6: Friends (from video #23)
- Chapter 7: The Telescope (from video #28)
- Chapter 8: The Wish (from video #56)
- Final Chapter: Family (from video #56)