What does "Well, I'm going back Sunday." mean in English for Spanish?

In English for Spanish, "Well, I'm going back Sunday." means:

Bueno, yo vuelvo el domingo.

Listen to "Well, I'm going back Sunday.": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 4, Level 1, Scene 6