(The following was recovered from Web.Archive.org and was originally posted on tsarchive.net.)

Transformers Case Assortments

Robots in Disguise: Series 1 (2001)

Basic Assortment 1 (#80555.0000) PK 12=> July 2001 - August 2001
 80572 4  *Ironhide/Mirage (package 1)
 80573 4 *Hot Shot/R.E.V. (package 1)
 80574 4 *W.A.R.S./Crosswise (package 1)

Basic Assortment 2a (#80555.0002) PK 12=> September 2001 - October 2001
 80572 2  Ironhide/Mirage (package 2)
 80573 2 Hot Shot/R.E.V. (package 2)
 80574 2 W.A.R.S./Crosswise (package 2)
 80631 3 *Prowl 2/Side Swipe
 80632 3 *Side Burn/Daytonus

Basic Assortment 2b (#80555.????) PK 12=> September 2001 - October 2001
 80573 2  Hot Shot/R.E.V. (package 2)
 80574 2 W.A.R.S./Crosswise (package 2)
 80631 4 Prowl 2/Side Swipe
 80632 4 Side Burn/Daytonus

Basic Assortment 3 (#80555.????) PK 12=> October 2001 - December 2001
 80573 1  Hot Shot/R.E.V. (package 2 or 3)
 80574 1 W.A.R.S./Crosswise (package 2 or 3)
 80631 1 Prowl 2/Side Swipe
 80632 1 Side Burn/Daytonus
 80633 2 *Rollbar (package 1 or 2)
 80634 2 *Armorhide (package 1 or 2)
 80636 2 *Movor (package 1 or 2)
 80637 2 *Ro-tor (package 1 or 2)

Super Assortment (#80565.0000) PK 4=> July 2001 - December 2001
 80577 2  *Optimus Prime (package 1 or 2)
 80578 2 *Ultra Magnus

Deluxe Assortment 1 (#80575.0000) PK 8=> July 2001 - September 2001
 80579 3  *Side Burn
 80592 3 *Prowl
 80593 2 *X-Brawn

Deluxe Assortment 2 (#80575.0007) PK 8=> September 2001
 80579 1  Side Burn
 80581 2 *Skid-Z/Windsheer
 80582 2 *Tow-Line/Skyfire
 80592 1 Prowl
 80593 1 X-Brawn
 80597 1 *Bruticus

Deluxe Assortment 3 (#80575.000A) PK 8=> October 2001
 80579 1  Side Burn
 80581 1 Skid-Z/Windsheer
 80582 1 Tow-Line/Skyfire
 80583 1 *Grimlock
 80584 1 *Heavyload
 80592 1 Prowl
 80642 1 *Wedge
 80643 1 *Hightower

Deluxe Assortment 4 (#80575.000B) PK 8=> November 2001 - December 2001
 80579 1  Side Burn
 80583 1 Grimlock
 80584 1 Heavyload
 80592 1 Prowl
 80593 1 X-Brawn
 80641 1 *Mega-Octane
 80642 1 Wedge
 80643 1 Hightower

Mega Assortment 1a (#80595.0000) PK 6=> July 2001 - August 2001
 80586 3  *Sky-Byte
 80596 3 *Dark Scream/Gas Skunk/Slapper

Mega Assortment 1b (#80595.0001) PK 6=> August 2001 - October 2001
 80586 4  Sky-Byte
 80596 2 Dark Scream/Gas Skunk/Slapper

Mega Assortment 2a (#80595.0002) PK 6=> October 2001 - December 2001
 80586 2  Sky-Byte
 80596 1 Dark Scream/Gas Skunk/Slapper
 80648 1 *Railspike
 80649 1 *Rapid Run
 80651 1 *Midnight Express

Others
 80589 4  *Megatron (Ultra) (package 1) => July 2001 - December 2001