Sometimes (Britney Spears)

CD-singel, Storbritannien (0523202)

1. "Sometimes" [Radio Edit] — 3:55
2. "Sometimes" [Soul Solution Mid-Tempo Mix] — 3:29
3. "I'm So Curious" (Britney Spears; Eric Foster White) — 3:35

Promo 12" Vinyl, Storbritannien (052320.0P)

• Sida A:

1. "Sometimes" [Thunderpuss 2000 Club Mix] — 8:02
2. "Sometimes" [Soul Solution Dub] — 10:12

• Sida B:

1. "Sometimes" [Soul Solution Extended Mix] — 6:59
2. "Sometimes" [Thunderpuss 2000 Radio Mix] — 3:50

CD-singel, Europa/Australien (0550142)

1. "Sometimes" [Radio Edit] — 3:55
2. "I'm So Curious" — 3:35
3. "Sometimes" [Soul Solution Mid-Tempo Mix] — 3:29

2-spårs CD, Europa (0580382)

1. "Sometimes" [Radio Edit] — 3:55
2. "Sometimes" [Soul Solution Mid-Tempo Mix] — 3:29

CD-singel, Japan (AVCZ95121)

1. "Sometimes" [Radio Edit] — 3:55
2. "...Baby One More Time" [Sharp Platinum Vocal Remix] — 8:11
3. "...Baby One More Time" [Davidson Ospina Club Mix] — 5:40

Promo CD, USA (DUTCH19)

• Sida A:

1. "Sometimes" [Thunderpuss 2000 Club Mix] — 8:02
2. "Sometimes" [Mike Ski's Drum Dub] — 4:56

• Sida B:

1. "Sometimes" [Soul Solution Mid-Tempo Mix] — 3:29
2. "Sometimes" [ThunderDub] — 7:18

• Sida C:

1. "Sometimes" [Mike Ski's 3AM Bass Bin Destroyer Mix] — 9:34
2. "Sometimes" [Original Radio Edit] — 3:55

• Sida D:

1. "Sometimes" [Boris & Beck Roxy Dub] — 6:51
2. "Sometimes" [Beats Of Thunderpuss] — 4:27

Singel, Nederländerna (The Singles Collection, Boxset Single)

1. "Sometimes" [Radio Edit] — 3:55
2. "I'm So Curious" — 3:35