This example wasn’t a mainstream promotional product given out to a widespread audience, but it was still a great example of promoting a brand. A lot of television networks will send out press kits for upcoming shows with promotional items inside, and the showrunners at the TV show Fringe did it right.
In the press kit for an episode that aired in 2009 they sent Tabasco sauce with the label “Observers Are Here.” In the show, Observers are people who have to eat spicy foods in order to stay alive. It was a really fun way to stay within the theme of the upcoming episode.
Image credit: http://www.fringetelevision.com/2009/11/fringe-press-kit-august.html