Foster's Home for Imaginary Friends (2004)

S3E14 Cuckoo for Coco Cards

The town goes wild over card collecting after Coco hatches enchanted eggs containing rare cards. As the excitement spreads, friends and rivals alike scramble to gather the most coveted cards, leading to unexpected alliances and fierce competitions. With each egg revealing new surprises, the community is swept up in a frenzy, testing friendships and sparking rivalries. Amidst the chaos, Coco watches the mayhem unfold, unaware of the joy and discord her magical eggs have brought to her friends.