Mulder and Scully. Batman and Robin. Holmes and Watson. You can’t fight crime alone, and television storytellers know that. In order to have a great crime show, you have to have a great central duo. But what do you think?

Who is your favorite crimefighting duo from TV? Castle and Beckett? Shaggy and Scooby-Doo? Michael Knight and KITT? We want to know.

Tell us your favorite duo and why in the comments below.