All the available endings across Sonic 3, Sonic & Knuckles, and Sonic 3 & Knuckles.
0:00 - Launch Base Ending (Sonic)
0:48 - Launch Base Ending (Super Sonic)
1:33 - Launch Base Ending (Tails)
2:19 - Credits (Sonic the Hedgehog 3)
5:04 - Death Egg Ending (Sonic)
6:47 - Death Egg Ending (Tails)
8:27 - Try Again
8:47 - Death Egg Ending (Tails w/ Chaos Emeralds)
10:10 - Doomsday Ending (Super Sonic)
11:58 - Teaser for Knuckles' Story
12:23 - Death Egg Ending (Super Tails)
14:08 - Congratulations (Tails)
14:29 - Doomsday Ending (Hyper Sonic)
15:48 - Sonic/Tails Credits (Sonic & Knuckles)
18:32 - Congratulations (Sonic)
18:53 - Sky Sanctuary Ending
19:54 - Knuckles Credits (Angel Island Descends)
22:50 - Try Again
23:19 - Sky Sanctuary Ending (All Chaos Emeralds)
24:42 - Sky Sanctuary Ending (All Super Emeralds)
25:37 - Knuckles Credits (Angel Island Ascends)
28:33 - Congratulations (Knuckles)