An electronic device with a display, processor(s), and memory displays a video monitoring user interface. The interface includes a video window displaying video feed from a camera located remotely from the device. A subset of the video includes a first motion event associated with an event category and a second motion event not associated with the event category. The device detects a user request for video playback. In response to the request, the device identifies a segment of the video for playback. The segment includes a first portion associated with the first motion event and a second portion associated with the second motion event. The device causes generation of a time-lapse video clip of the segment of the video for playback, including configuring the first portion to play at a different speed from the second portion. The device displays and plays the video clip of the segment.