A growing research literature suggests that visual brand placements need not be recalled in order to have an impact on brand attitudes. In an experimental study working with an authentic television broadcast, the authors investigated the influence of frequency of placement exposure, viewers’ involvement and viewers’ persuasion knowledge on the attitudes towards the brand and brand recall. Results clearly indicate a mere exposure effect. A frequently presented brand placement can have a positive effect on brand evaluations although viewers do not recall the brand. However, this effect can only be found when there is a high involvement in the programme and low persuasion knowledge. In contrast, when persuasion knowledge is high and involvement is low, frequently presented placements lead to a deterioration of brand attitudes.