Note: hiddenVideos has a number of mildly nsfw videos. Turn off your speakers before clicking!
The first one I got just kept repeating "surprise mother f*er".
The full list of YouTube ids for the curious:
videos = ['Prhzzqc0aFQ', 'UwB9m4FslO4', 'LH5ay10RTGY', 'DkQ83yLqpJE', 'T6j4f8cHBIM', 'kffacxfA7G4', 'RFzyYYZsxGc', 'v20jRHL492Y', 'Z8bpeeuHDOA', 'KHy7DGLTt8g', '_6-KspZegsE', 'l12Csc_lW0Q']