Suzumiya Haruhi no Yuuutsu, Uzaki-chan wa Asobitai! Recommendations
Both are comedy series that revolve around a hyper charismatic female heroine. Hilarity pursues as the cast get dragged into the crazy world and bizarre adventures that follow this heroine. The Suzumiya Haruhi Series differs with supernatural and sci-fi elements, while Uzaki-chan has a larger focus on romance and a touch of ecchi. Overall, if you enjoy comedy series about hyperactive female characters you will probably enjoy both series.