Tsubasa: Reservoir Chronicle/Trivia
- Hey, It's That Voice!: Maaya Sakamoto, who voices Tomoyo, also voiced the Sealed Card(The Nothing/ The Hope) from Cardcaptor Sakura's secomd movie. She also sang Cardcaptor Sakura's third opening theme song "Platinum".
- Shout-Out: Oh so many to other CLAMP series, and a few to other series like Cat's Eye and other mediums like old Wacky Racers cartoons. Edges dangerously close to Crossover in some cases.