The Platinum series is five sets released within 2009: Platinum in February, Rising Rivals in May, Supreme Victors in August, Arceus in November and Pokémon Rumble in December. Supreme Victors has the largest printed size at 147. Platinum, Rising Rivals, Supreme Victors and Arceus all list cards past their printed sizes (6, 9, 6 and 12), while the 16-card Pokémon Rumble does not. Together the five make a compact era to work through in order.
Platinum sets by release date
| Set | Released | Numbered cards | Secret rares |
|---|---|---|---|
 Platinum | Feb 2009 | 127 | 6 |
 Rising Rivals | May 2009 | 111 | 9 |
 Supreme Victors | Aug 2009 | 147 | 6 |
 Arceus | Nov 2009 | 99 | 12 |
 Pokémon Rumble | Dec 2009 | 16 | — |