UK: Single
01. Oops!… I Did It Again
02. Deep In My Heart
03. From the Bottom Of My Broken Heart (Ospina’s Millennium Funk Mix)
UK: Maxi Single
01. Oops!… I Did It Again
02. Oops!… I Did It Again (Instrumental)
03. From the Bottom Of My Broken Heart (Ospina’s Millennium Funk Mix)
04. Deep In My Heart
UK: Promo
01. Oops!… I Did It Again
Ranska: Single
01. Oops!… I Did It Again
02. Oops!… I Did It Again (Instrumental)
03. Deep In My Heart
04. From the Bottom Of My Broken Heart (Ospina’s Millennium Funk Mix)
Eurooppa: Remix EP
01. Oops!… I Did It Again
02. Oops!… I Did It Again (Rodney Jenkins Remix)
03. Oops!… I Did It Again (Ospina’s Crossover Mix)
04. Oops!… I Did It Again (Riprock ‘N’ Alex G. Oops! We Remixed Again! (Radio Mix)
05. Oops!… I Did It Again (Ospina’s Deep Club Mix)
06. Oops!… I Did It Again (Riprock ‘N’ Alex G. Oops! We Remixed Again! (Club Mix)
07. Oops!… I Did It Again (Ospina’s Instrumental Dub)
Japani: Promo
01. Oops!… I Did It Again
02. Lucky
03. Girl In The Mirror
Hong Kong: Remix Albumi
01. Oops!… I Did It Again
02. Oops!… I Did It Again (Rodney Jerkins Remix)
03. Oops!… I Did It Again (Ospinas Crossover Mix)
04. Oops!… I Did It Again (Riprock N Alex G Oops! We Remixed Again – Radio Mix)
05. Oops!… I Did It Again (Ospinas Deep Clud Mix)
06. Oops!… I Did It Again (Riprock N Alex G Oops We Remixed Again – Clud Mix)
07. Oops!… I Did It Again (Ospinas Instrumental Dud)
08. Baby One More Time
09. Oops!… I Did It Again
10. Stronger
11. I Will Still Love You
12. Lucky
13. What U See (Is What You Get)
14. (You Drive Me) Crazy
15. Sometimes
16. I’ll Never Stop Loving You
17. Don’t Go Knockin’ On My Door
Ranska: Single
01. Oops!… I Did It Again
02. Oops!… I Did It Again (Rodney Jenkins Remix)
03. Oops!… I Did It Again (Ospina’s Crossover Mix)
04. Oops!… I Did It Again (Riprock ‘N’ Alex G. Oops! We Remixed Again! (Radio Mix)
05. Oops!… I Did It Again (Ospina’s Deep Club Mix)
06. Oops!… I Did It Again (Riprock ‘N’ Alex G. Oops! We Remixed Again! (Club Mix)
07. Oops!… I Did It Again (Ospina’s Instrumental Dub)