Doraemon: Nobita no Kekkon Zenya

ドラえもん のび太の結婚前夜 The night before a wedding

Nobita and Doraemon travel into the future to see whether or not Nobita will marry Shizuka. Once they arrive, they find out that instead of travelling to the day of the wedding, they travelled to the day before the wedding. Afterwards, the pair follow the future Nobita and his friends as they try to return a lost cat to its owner.

(Source: Anime News Network)