One aspect of this disclosure relates to a computer-implemented methods computers and messages for displaying a form associated with a video. The method comprises a number of steps. One step comprises transmitting at least one request message to a server system. The at least one request message comprises a video identifier and a form identifier. The video identifier indicates video information required for playing said video and the form identifier indicates form information required for displaying a form, e.g. an HTML form, associated with the video. Furthermore, the form information comprises a time indication defining a time in the video. Another step of the method comprises receiving at least one response message from the server system. The at least one response message comprises the video information and the form information. The method further comprises displaying the video using the video information. As one step, the method comprises, preferably while displaying the video, determining that the video reaches the time defined by said time indication. In response to this determination, the method comprises displaying the form.