we went to theArcade . it was really neat but i could n't stay in the galleries there too long becauseit was too hot and humid to breathe . i did get to see a few neat things before it was time to drive straight back to knoxville and work the next morning after taking downthe Dee C. East show . blah .
According to the above context, answer the following question.
Why was the narrator driving to Knoxville ?


They had to return home .