The Wedding Dress

S3 E27: Kate and Oswald start planning their wedding but find they won't be able to afford many luxuries. The gang heads to a discount bridal shop and discovers Kate's dream wedding dress costs $5,000. Kate is devastated but Drew is determined to see her happy. He manages to scrape up enough money to buy Kate the dress. The problem is: Oswald plans to surprise Kate with a knockoff dress he bought for her.