Official Disney channels often upload "Full Episodes" (Episodios Completos) as promotional content or special events.
You can find official clips and occasionally full episodes on the Disney Channel España YouTube channel. However, these are often in European Spanish. For Latino Spanish, the Disney Kids Latinoamérica channel sometimes hosts full episodes like “La mano que mece a Mabel” .
" (S1 E3) have been uploaded to YouTube in Latin American Spanish, though their availability varies by country. Shorts and Clips Disney XD Latino