Zenith and Abyss (S04E24)

S04E01 Inhospitable S04E02 Needful S04E03 Volatile S04E04 Involuntary S04E05 Tale of Two Sisters S04E06 Artemis Through the Looking-Glass S04E07 The Lady, or the Tigress? S04E08 I Know Why the Caged Cat Sings S04E09 Odnu! S04E10 Nomed Esir! S04E11 Teg Ydaer! S04E12 Og Htrof Dna Reuqnoc! S04E13 Kaerb Ym Traeh! S04E14 Nautical Twilight S04E15 Ebb Tide S04E16 Emergency Dive S04E17 Leviathan Wakes S04E18 Beyond the Grip of the Gods! S04E19 Encounter Upon the Razor's Edge! S04E20 Forbidden Secrets of Civilizations Past! S04E21 Odyssey of Death! S04E22 Rescue and Search S04E23 Ego and Superego S04E24 Zenith and Abyss S04E25 Over and Out S04E26 Death and Rebirth