A secondary media stream is displayed within a primary media stream. In response to receiving a first user selection of two media streams for simultaneous viewing on a display device, a second user selection of a primary media stream and a secondary media stream from the two media streams selected for simultaneous viewing is received. A set of inset definitions is extracted from metadata in the secondary media stream. A third user selection of an inset definition from the set of inset definitions is received. A user input is received to display the primary media stream to accommodate a size of the inset definition selected. The primary media stream is displayed to create an inset area for displaying the secondary media stream within the primary media stream based on the user input. The secondary media stream is displayed within the inset area of the displayed primary media stream for user viewing.