1. A computer-implemented method for generating a personal content stream of videos, the method comprising: generating a plurality of sets of stream topics using a plurality of topics in a user profile, each set of stream topics including a plurality of stream topics; providing the plurality of sets of stream topics to a client device for display on the client device; receiving, from the client device, a selection of a provided set of stream topics as a basis for the personal content stream for a user associated with the user profile; selecting a plurality of videos for the personal content stream based on the selected set of stream topics; determining that a selected video from the selected plurality of videos has been previously played on the client device; refraining from including the previously played video in the personal content stream and selecting another video to include in the personal content stream that replaces the previously played video in the plurality of videos responsive to the determination; and providing the personal content stream including the plurality of videos as a series of videos to be played automatically on the client device, each of the plurality of videos associated with a stream topic included in the selected set of stream topics.