This is a playthrough of Sonic and the Black Knight for the Nintendo Wii. (timestamps below)
Set in the world of King Arthur, Sonic and the Black Knight is the second of the Sonic storybook games, succeeding Secret Rings. The gameplay twist here is Sonic uses a sword (controlled with the Wii's motion controls) to attack enemies and progress.
00:00:00 Intro
00:00:55 Opening Cutscene
Misty Lake
00:06:05 Special Challenge: Reach the Misty Lake
00:08:49 Special Challenge: Retrieve the sacred sword
00:13:29 Defeat the Boss: King Arthur
00:16:13 Special Challenge: Wield the sacred sword
Camelot Castle
00:18:42 Special Challenge: Reach the blacksmith's shop
00:22:09 Special Challenge: Finish using Soul Surge on the ground
00:23:33 Special Challenge: Finish using Soul Surge in the air
Deep Woods
00:25:02 Special Challenge: Reach the Lady of the Lake
00:28:31 Defeat the Boss: Sir Lancelot
00:32:18 Ring-Giver: Give the townspeople 80 Rings
Camelot Castle
00:34:13 Special Challenge: Rescue the townspeople
Deep Woods
00:35:57 Rampage: Defeat 50 enemies
Camelot Castle
00:38:26 Ring-Giver: Give the townspeople 80 Rings
Titanic Plain
00:41:46 Go for the Goal: Reach the goal
00:46:04 Defeat the Boss: Sir Gawain
00:48:27 Perfect Hit Tutorial
Crystal Cave
00:49:32 Go for the Goal: Reach the Goal
00:53:22 Special Challenge: Rescue the townspeople
00:56:21 Rampage: Defeat 50 enemies
Molten Mine
01:00:32 Go for the Goal: Reach the goal
01:04:42 Defeat the Boss: Sir Percival
Faraway Avalon
01:08:57 Defeat the Boss: King Arthur
01:11:03 CREDITS: Knight of the Wind
Knight's Passage
01:19:14 Beat the Clock: Reach the goal before time runs out
Shrouded Forest
01:25:38 Beat the Clock: Reach the goal before time runs out (as Lancelot)
Great Megalith
01:30:21 Beat the Clock: Reach the goal before the time runs out (as Gawain)
The Cauldron
01:36:05 Beat the Clock: Reach the goal before the time runs out (as Percival)
Dragon's Lair
01:41:13 Beat the Clock: Reach the goal before the time runs out
01:44:48 Special Challenge: Dragon Slayer
Dark Hollow
01:53:04 Defeat the Boss: The Dark Queen
01:57:34 CREDITS: Live Life