Duck Tales 1 & 2 (GB) All Bosses (No Damage, Hard). It's a video game by Capcom released in 1990 for Game Boy.
00:00 Intro
00:29 01 Zarduck
01:00 02 Magica DeSpell
01:34 03 King of the Terra Fermies
02:02 04 Abominable Snowman
02:41 05 Lunar Rat
03:18 06 Dracula Duck
04:14 Ending
05:00 00 Duck Tales 2 Intro
05:27 01 Fire Duck
06:26 02 Pirate Captain
06:50 03 Golem Duck
08:13 04 Mummy Duck
08:47 05 Sorcerer Duck
09:33 06 Glomgold (D-1000)
10:17 Ending