This card was included in the Expedition Base Set with artwork by Ken Sugimori, first released in the Japanese Base Expansion Pack. It was reprinted in the EX Team Rocket Returns expansion, first released in the Japanese Rocket Gang Strikes Back expansion, with a full-frame view of the same artwork by Ken Sugimori. It was later reprinted in the EX Dragon Frontiers expansion, first released in the Shockwave! Tyranitar ex Constructed Standard Deck.
It was reprinted in the HeartGold & SoulSilver expansion with new artwork by Kanako Eo, first released in the Japanese SoulSilver Collection. In Japan, a Holofoil version was reprinted as one of the L-P Promotional cards, and was awarded to the top winners of the Pokémon Card Game LEGEND Battle in September 2009. This print has the Pokémon Card Game LEGEND logo in the top right of the illustration and the SoulSilver Collection logo on the bottom left. It was reprinted again in the Raichu Half Deck of the English HS Trainer Kit and the Call of Legends expansion.
During the Sun & Moon Series, Copycat was reprinted in the Celestial Storm expansion with the artwork by Ken Sugimori originally printed in the Expedition Base Set. A Full Art print was also released in the expansion and features artwork by Megumi Mizutani. These prints originate from the Japanese Champion Road subset. The Regular Celestial Storm print was later reprinted in the Japanese GX Ultra Shiny subset.
Copycat was reprinted again during the Sword & Shield Series as a Regular card, a Full Art card, and as a Secret Rainbow Rare in the Evolving Skies expansion, first released in the Japanese Skyscraping Perfection expansion. All three prints feature artwork by Sanosuke Sakuma. The Evolving Skies Regular print was reprinted in the Japanese Start Deck 100.