Watch TV Series The One That Got Away Prime Video Online Free. It may seem like an impossible feat to track down The One That Got Away, but for these lucky singles, that dream becomes a reality. In this time-traveling, experimental dating series hosted by singer/songwriter Betty Who, six people searching for their soulmates are given the chance to explore a lifetime of missed connections as one by one, people from their pasts enter through “The Portal” to surprise them and take their shot at love.