The 4, Aang, Katara, Sokka, and Toph we're watching a fight at the arena.. The person they supported was somehow loosing.. They we're supposed to be strong.

Aang: "how is ours loosing?.. They have earth bending like toph!"

Toph: "their loosing?"

Katara: "yeah.. Look.."

Toph: "im blind!!"

Sokka: "our bet never lost- but how?!"

They noticed you watching below them.. Somethings off.