Which episode does optimus prime declare himself leader of all transformers?

I remember when i was younger i was watching transformers i think it was armada or energon bu after he defeated unicron and megatron he said he was leader of all transformers or something. Is there any episode where he says that?Which episode does optimus prime declare himself leader of all transformers?Well, In 1984 The First Transformers Episode He Stated "I Am Optimus Prime, The Leader Of The Autobots." Hes Always Been Leader, And BTW When He Defeated Unicron and Megatron it was in Armada.