Watashi wa umi / Season 1 Season guide Watashi wa umi: Season 1 153 episodes Premiered Oct 2, 1978 Updated Jul 22, 2026 Spoiler-safe Season 1 Episodes Episode Guide 🛡️ SPOILER SHIELD Season 1 Progress Shield All Safe I'm Watching Caught Up Season: Season 1 Last Watched: None (Not started) Episode 1 Episode 2 Episode 3 Episode 4 Episode 5 Episode 6 Episode 7 Episode 8 Episode 9 Episode 10 Episode 11 Episode 12 Episode 13 Episode 14 Episode 15 Episode 16 Episode 17 Episode 18 Episode 19 Episode 20 Episode 21 Episode 22 Episode 23 Episode 24 Episode 25 Episode 26 Episode 27 Episode 28 Episode 29 Episode 30 Episode 31 Episode 32 Episode 33 Episode 34 Episode 35 Episode 36 Episode 37 Episode 38 Episode 39 Episode 40 Episode 41 Episode 42 Episode 43 Episode 44 Episode 45 Episode 46 Episode 47 Episode 48 Episode 49 Episode 50 Episode 51 Episode 52 Episode 53 Episode 54 Episode 55 Episode 56 Episode 57 Episode 58 Episode 59 Episode 60 Episode 61 Episode 62 Episode 63 Episode 64 Episode 65 Episode 66 Episode 67 Episode 68 Episode 69 Episode 70 Episode 71 Episode 72 Episode 73 Episode 74 Episode 75 Episode 76 Episode 77 Episode 78 Episode 79 Episode 80 Episode 81 Episode 82 Episode 83 Episode 84 Episode 85 Episode 86 Episode 87 Episode 88 Episode 89 Episode 90 Episode 91 Episode 92 Episode 93 Episode 94 Episode 95 Episode 96 Episode 97 Episode 98 Episode 99 Episode 100 Episode 101 Episode 102 Episode 103 Episode 104 Episode 105 Episode 106 Episode 107 Episode 108 Episode 109 Episode 110 Episode 111 Episode 112 Episode 113 Episode 114 Episode 115 Episode 116 Episode 117 Episode 118 Episode 119 Episode 120 Episode 121 Episode 122 Episode 123 Episode 124 Episode 125 Episode 126 Episode 127 Episode 128 Episode 129 Episode 130 Episode 131 Episode 132 Episode 133 Episode 134 Episode 135 Episode 136 Episode 137 Episode 138 Episode 139 Episode 140 Episode 141 Episode 142 Episode 143 Episode 144 Episode 145 Episode 146 Episode 147 Episode 148 Episode 149 Episode 150 Episode 151 Episode 152 Episode 153 Future titles & synopses blurred. Tap "Reveal" on any card to peek. Binge Efficiency Engine Season 1: Filler vs. Essential Canon Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests. 98% Mytharc (3): Crucial lore & season climaxes Core (150): Character development & subplots Side Quest (0): Standalone / filler Show All (153) Crucial Mytharc (3) Essential Canon (153) S1·E1 Mytharc Episode 1 Oct 2, 1978 · 15 min S1·E2 Core Episode 2 Oct 3, 1978 · 15 min S1·E3 Core Episode 3 Oct 4, 1978 · 15 min S1·E4 Core Episode 4 Oct 5, 1978 · 15 min S1·E5 Core Episode 5 · 15 min S1·E6 Core Episode 6 Oct 7, 1978 · 15 min S1·E7 Core Episode 7 · 15 min S1·E8 Core Episode 8 Oct 10, 1978 · 15 min S1·E9 Core Episode 9 Oct 11, 1978 · 15 min S1·E10 Core Episode 10 Oct 12, 1978 · 15 min S1·E11 Core Episode 11 Oct 14, 1978 · 15 min S1·E12 Core Episode 12 Oct 16, 1978 · 15 min S1·E13 Core Episode 13 Oct 17, 1978 · 15 min S1·E14 Core Episode 14 Oct 17, 1978 · 15 min S1·E15 Core Episode 15 Oct 18, 1978 · 15 min S1·E16 Core Episode 16 Oct 19, 1978 · 15 min S1·E17 Core Episode 17 Oct 21, 1978 · 15 min S1·E18 Core Episode 18 Oct 23, 1978 · 15 min S1·E19 Core Episode 19 Oct 24, 1978 · 15 min S1·E20 Core Episode 20 Oct 24, 1978 · 15 min S1·E21 Core Episode 21 Oct 25, 1978 · 15 min S1·E22 Core Episode 22 Oct 26, 1978 · 15 min S1·E23 Core Episode 23 Oct 28, 1978 · 15 min S1·E24 Core Episode 24 Oct 30, 1978 · 15 min S1·E25 Core Episode 25 Oct 31, 1978 · 15 min S1·E26 Core Episode 26 Oct 31, 1978 · 15 min S1·E27 Core Episode 27 Nov 1, 1978 · 15 min S1·E28 Core Episode 28 Nov 21, 1978 · 15 min S1·E29 Core Episode 29 Nov 3, 1978 · 15 min S1·E30 Core Episode 30 · 15 min S1·E31 Core Episode 31 Nov 6, 1978 · 15 min S1·E32 Core Episode 32 · 15 min S1·E33 Core Episode 33 Nov 8, 1978 · 15 min S1·E34 Core Episode 34 Nov 9, 1978 · 15 min S1·E35 Core Episode 35 Nov 10, 1978 · 15 min S1·E36 Core Episode 36 Nov 11, 1978 · 15 min S1·E37 Core Episode 37 Nov 13, 1978 · 15 min S1·E38 Core Episode 38 Nov 14, 1978 · 15 min S1·E39 Core Episode 39 Nov 15, 1978 · 15 min S1·E40 Core Episode 40 Nov 16, 1978 · 15 min S1·E41 Core Episode 41 Nov 17, 1978 · 15 min S1·E42 Core Episode 42 Nov 18, 1978 · 15 min S1·E43 Core Episode 43 Nov 20, 1978 · 15 min S1·E44 Core Episode 44 Nov 21, 1978 · 15 min S1·E45 Core Episode 45 Nov 22, 1978 · 15 min S1·E46 Core Episode 46 Nov 23, 1978 · 15 min S1·E47 Core Episode 47 Nov 24, 1978 · 15 min S1·E48 Core Episode 48 Nov 25, 1978 · 15 min S1·E49 Core Episode 49 Nov 27, 1978 · 15 min S1·E50 Core Episode 50 Nov 28, 1978 · 15 min S1·E51 Core Episode 51 Nov 29, 1978 · 15 min S1·E52 Core Episode 52 Nov 30, 1978 · 15 min S1·E53 Core Episode 53 Dec 1, 1978 · 15 min S1·E54 Core Episode 54 Dec 2, 1978 · 15 min S1·E55 Core Episode 55 Dec 4, 1978 · 15 min S1·E56 Core Episode 56 Dec 5, 1978 · 15 min S1·E57 Core Episode 57 Dec 6, 1978 · 15 min S1·E58 Core Episode 58 Dec 7, 1978 · 15 min S1·E59 Core Episode 59 · 15 min S1·E60 Core Episode 60 Dec 9, 1978 · 15 min S1·E61 Core Episode 61 Dec 11, 1978 · 15 min S1·E62 Core Episode 62 Dec 12, 1978 · 15 min S1·E63 Core Episode 63 Dec 13, 1978 · 15 min S1·E64 Core Episode 64 Dec 14, 1978 · 15 min S1·E65 Core Episode 65 Dec 15, 1978 · 15 min S1·E66 Core Episode 66 Dec 16, 1978 · 15 min S1·E67 Core Episode 67 Dec 18, 1978 · 15 min S1·E68 Core Episode 68 Dec 19, 1978 · 15 min S1·E69 Core Episode 69 Dec 20, 1978 · 15 min S1·E70 Core Episode 70 Dec 21, 1978 · 15 min S1·E71 Core Episode 71 Dec 22, 1978 · 15 min S1·E72 Core Episode 72 Dec 23, 1978 · 15 min S1·E73 Core Episode 73 Dec 25, 1978 · 15 min S1·E74 Core Episode 74 Dec 26, 1978 · 15 min S1·E75 Core Episode 75 Dec 27, 1978 · 15 min S1·E76 Core Episode 76 Dec 28, 1978 · 15 min S1·E77 Core Episode 77 Dec 29, 1978 · 15 min S1·E78 Core Episode 78 Dec 30, 1978 · 15 min S1·E79 Core Episode 79 Jan 4, 1979 · 15 min S1·E80 Core Episode 80 · 15 min S1·E81 Core Episode 81 Jan 6, 1979 · 15 min S1·E82 Core Episode 82 Jan 8, 1979 · 15 min S1·E83 Core Episode 83 Jan 9, 1979 · 15 min S1·E84 Core Episode 84 Jan 10, 1979 · 15 min S1·E85 Core Episode 85 Jan 11, 1979 · 15 min S1·E86 Core Episode 86 Jan 12, 1979 · 15 min S1·E87 Core Episode 87 Jan 13, 1979 · 15 min S1·E88 Core Episode 88 Jan 15, 1979 · 15 min S1·E89 Core Episode 89 Jan 16, 1979 · 15 min S1·E90 Core Episode 90 Jan 17, 1979 · 15 min S1·E91 Core Episode 91 Jan 18, 1979 · 15 min S1·E92 Core Episode 92 Jan 19, 1979 · 15 min S1·E93 Core Episode 93 Jan 20, 1979 · 15 min S1·E94 Core Episode 94 Jan 22, 1979 · 15 min S1·E95 Core Episode 95 Jan 23, 1979 · 15 min S1·E96 Core Episode 96 Jan 24, 1979 · 15 min S1·E97 Core Episode 97 Jan 25, 1979 · 15 min S1·E98 Core Episode 98 Jan 26, 1979 · 15 min S1·E99 Core Episode 99 Jan 27, 1979 · 15 min S1·E100 Core Episode 100 Jan 29, 1979 · 15 min S1·E101 Core Episode 101 Jan 30, 1979 · 15 min S1·E102 Core Episode 102 Jan 31, 1979 · 15 min S1·E103 Core Episode 103 Feb 1, 1979 · 15 min S1·E104 Core Episode 104 Feb 2, 1979 · 15 min S1·E105 Core Episode 105 Feb 3, 1979 · 15 min S1·E106 Core Episode 106 · 15 min S1·E107 Core Episode 107 Feb 6, 1979 · 15 min S1·E108 Core Episode 108 · 15 min S1·E109 Core Episode 109 Feb 8, 1979 · 15 min S1·E110 Core Episode 110 Feb 9, 1979 · 15 min S1·E111 Core Episode 111 Feb 10, 1979 · 15 min S1·E112 Core Episode 112 Feb 12, 1979 · 15 min S1·E113 Core Episode 113 Feb 13, 1979 · 15 min S1·E114 Core Episode 114 Feb 14, 1979 · 15 min S1·E115 Core Episode 115 Feb 15, 1979 · 15 min S1·E116 Core Episode 116 Feb 16, 1979 · 15 min S1·E117 Core Episode 117 Feb 17, 1979 · 15 min S1·E118 Core Episode 118 Feb 19, 1979 · 15 min S1·E119 Core Episode 119 Feb 20, 1979 · 15 min S1·E120 Core Episode 120 Feb 21, 1979 · 15 min S1·E121 Core Episode 121 Feb 22, 1979 · 15 min S1·E122 Core Episode 122 Feb 23, 1979 · 15 min S1·E123 Core Episode 123 Feb 24, 1979 · 15 min S1·E124 Core Episode 124 Feb 26, 1979 · 15 min S1·E125 Core Episode 125 Feb 27, 1979 · 15 min S1·E126 Core Episode 126 Feb 28, 1979 · 15 min S1·E127 Core Episode 127 Mar 1, 1979 · 15 min S1·E128 Core Episode 128 Mar 2, 1979 · 15 min S1·E129 Core Episode 129 Mar 3, 1979 · 15 min S1·E130 Core Episode 130 · 15 min S1·E131 Core Episode 131 Mar 6, 1979 · 15 min S1·E132 Core Episode 132 Mar 7, 1979 · 15 min S1·E133 Core Episode 133 · 15 min S1·E134 Core Episode 134 Mar 9, 1979 · 15 min S1·E135 Core Episode 135 Mar 10, 1979 · 15 min S1·E136 Core Episode 136 Mar 12, 1979 · 15 min S1·E137 Core Episode 137 Mar 13, 1979 · 15 min S1·E138 Core Episode 138 Mar 14, 1979 · 15 min S1·E139 Core Episode 139 Mar 15, 1979 · 15 min S1·E140 Core Episode 140 Mar 16, 1979 · 15 min S1·E141 Core Episode 141 Mar 17, 1979 · 15 min S1·E142 Core Episode 142 Mar 19, 1979 · 15 min S1·E143 Core Episode 143 Mar 20, 1979 · 15 min S1·E144 Core Episode 144 Mar 21, 1979 · 15 min S1·E145 Core Episode 145 Mar 22, 1979 · 15 min S1·E146 Core Episode 146 Mar 23, 1979 · 15 min S1·E147 Core Episode 147 Mar 24, 1979 · 15 min S1·E148 Core Episode 148 Mar 26, 1979 · 15 min S1·E149 Core Episode 149 Mar 27, 1979 · 15 min S1·E150 Core Episode 150 Mar 28, 1979 · 15 min S1·E151 Core Episode 151 Mar 29, 1979 · 15 min S1·E152 Mytharc Episode 152 Mar 30, 1979 · 15 min S1·E153 Mytharc Episode 153 Mar 31, 1979 · 15 min