[post_page_title]A historic meeting[/post_page_title]
For a while, the show would follow the sleuths separately, airing a Nancy Drew episode one week, and then a Hardy Boys episode the week after. The season 2 premiere brought with it a historic crossover, as Nancy Drew and the Hardy Boys met for the first time across any medium.
Funnily enough, despite the books being published by the same company, none of them ever involved a similar crossover. However, once the TV show proved successful, crossovers would eventually occur in the books as well.
