S04E14 - H Istoria Ths Prwtoxronias Kai Ta Ethima Twn Fwtwn
S04E13 - Oi Giortes Tou Xeimerinou Hliostasiou
S04E12 - H Metaptwsh Twn Ishmeriwn
S04E11 - O Agnwstos Theios Alvertos
S04E10 - To Peirama Tou CERN
S04E09 - Oi Akrites Tou Planhtikou Mas Systhmatos
S04E08 - O Pathr Thewn Kai Anthrwpwn
S04E07 - H Aspida Ths Ghs
S04E06 - Episthmh Kai Neos Kosmos
S04E05 - H Taksinomhsh Twn Asteriwn