The Twins Fight!

S1 E5: When Haruhi divulges the secret of how she can tell Hikaru from Kaoru, a little bit of differentiation turns into a whole lot of confrontation! It almost makes one wonder if there are dark forces conspiring against the two. As the sibling rivalry quickly spirals out of control, Kyoya's concerned by the dip in Host Club profits, a concern shared by Haruhi (as she could be held responsible for the losses.) While having two loves is said to be better than one, a set of twins with too much time on their hands...