Abstract: Almost ten years ago, the top quark was discovered at the Tevatron collider at Fermilab. With the small samples acquired at that time, we knew little about the top quark except that it is surprisingly massive. Now, we are entering a stage where we are able to study this quark with large samples and precision measurements. I describe one of the first such measurements performed at CDF, the production of top quark pairs that decay into events with two leptons in the final state.