This video shows off all the star coins and secret exit locations in New Super Mario Bros. DS!

New Super Mario Bros. DS Playlist: https://www.youtube.com/playlist?list=PLJY2r98E0ngJfL6umI8Hn66XQ3lxslroH

Time Stamps
WORLD 1
W1-1 - 00:00
W1-2 - 00:30
W1-3 - 00:50
W1-Tower -01:14
W1-4 - 01:40
W1-5 - 02:39
W1-A - 03:07
W1-Castle - 03:38

WORLD 2
W2-1 - 04:00
W2-2 - 04:10
W2-3 - 04:39
W2-A - 04:50
W2-4 - 05:13
W2-Tower - 06:00
W2-5 - 06:08
W2-6 - 07:14
W2-Castle - 07:30

WORLD 3
W3-1 - 08:00
W3-A - 08:35
W3-2 - 09:26
W3-B - 09:47
W3-C - 10:12
W3-Tower - 10:28
W3-3 - 11:20
W3-Ghost House - 11:59
W3-Castle - 12:52

WORLD4
W4-1 - 13:30
W4-2 - 13:44
W4-3 - 14:09
W4-Tower - 14:45
W4-4 - 14:59
W4-A - 15:34
W4-Ghost House - 16:24
W4-5 - 17:19
W4-6 - 18:06
W4-Castle - 18:35

WORLD 5
W5-1 - 19:10
W5-2 - 19:32
W5-A - 20:08
W5-Tower -20:47
W5-3 - 21:04
W5-Ghost House - 21:40
W5-B - 22:46
W5-C - 23:08
W5-4 - 23:48
W5-Castle - 24:13

WORLD 6
W6-1 - 24:40
W6-2 - 24:50
W6-A - 25:40
W6-Tower - 26:10
W6-3 - 26:42
W6-4 - 27:16
W6-Tower 2 - 27:58
W6-5 - 28:34
W6-6 - 28:56
W6-B - 29:59
W6-Castle - 30:35

WORLD 7
W7-1 - 31:02
W7-Ghost House - 32:08
W7-2 - 33:15
W7-3 - 33:44
W7-Tower - 34:18
W7-4 - 35:09
W7-5 - 35:33
W7-6 - 36:30
W7-7 - 37:23
W7-A - 37:51
W7-Castle - 38:44

WORLD 8
W8-1 - 39:09
W8-2 - 39:43
W8-Tower - 40:53
W8-3 - 41:36
W8-4 - 41:52
W8-Castle 1 - 42:44
W8-5 - 43:21
W8-6 - 43:47
W8-7 - 44:05
W8-8 - 44:25
W8-Tower 2 - 45:20
W8-Castle - 45:32