1장
바닷속 탐험!
탐험 도구를 소개합니다!·························· 8
탐험 도구를 찾아라!······························· 10
심해로 떠난 옥토넛 탐험대!····················· 12
신비한 바다의 세계································ 16
깊은 바닷속으로 출동!···························· 18
보물 사냥을 시작하자!··························· 20
따뜻한 바다 탐험!··································22
햇빛을 머금은 바다································24
다른 그림 찾기······································26
콰지를 찾아라!······································28
반짝반짝 청소할 시간!····························29
출동! 옥토넛 탐험대!······························ 30

2장
빙하를 보호하자!
옥토포드를 소개합니다!····························32
옥토포드에서의 하루······························· 34
북극 대탐험!·········································· 36
빙하가 점점 녹고 있대!···························· 40
신나는 북극 탐험!··································· 42
빙하를 탈출하라!···································· 44
규칙 놀이·············································· 46

3장
열대 우림 구조 대작전!
새로운 탐험선을 소개합니다!···················· 48
어디 숨었니?········································· 50
열대 우림 구조 작전!································52
핑크 요정, 아르마딜로!····························· 54
층층이 나뉜 열대 우림····························· 56
위험천만 아마존!···································· 58
누구일까?············································· 60
동물들의 서식지를 찾아라!························ 61
도와줘, 옥토넛 탐험대!····························· 62
옥토넛 알파벳 놀이!································ 64
탐험선 구조 작전!··································· 66
임무 완료!············································· 68