In the final scene in front of the castle, the twins weren't filmed. One of the twins was running down the castle ramp, clotheslined himself on a parade rope, and was crying. They opted not to include them in the scene.
The hotel that that the Tanner family vacationed at was Disney's Grand Floridian.
In this episode, the family visits Walt Disney World. While on parade, the cast was waving to real-life "Full House" fans in the crowd.
The parade you see in this episode is the 20th Anniversary Surprise Celebration Parade (Party Gras).