Cardcaptor Sakura: Clear Card Arc season 1 episode 9
Episode title: Sakura's Thrilling Aquarium Visit
Sakura invites Syaoran out for the day with tickets given to her by her father. She's worked hard on the rolled omelets for their lunch, and now they make their way to the aquarium Sakura visited when she captured the Clow Card, Watery.
