From the liner notes

The complete third season of the Brady Bunch, this 4-disc set includes the episodes:

Dough Re Mi, the episode in which the kids dreams of musical stardom are shot down by Peter's voice breaking in the middle of singing Greg's song "A Time To Change"

Her Sister's Shadow" -- three words: "Marcia, Marcia, Marcia!"

Ghost Town, USA, the first of three episodes featuring the Brady's vacation adventure to the Grand Canyon"

and 20 more!