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• S1.E1 ∙ To Fly or Not to Fly?
• S1.E2 ∙ The Mastery of Flight
• S1.E3 ∙ The Insatiable Appetite
• S1.E4 ∙ Meat-Eaters
• S1.E5 ∙ Fishing for a Living
• S1.E6 ∙ Signals and Songs
• S1.E7 ∙ Finding Partners
• S1.E8 ∙ The Demands of the Egg
• S1.E9 ∙ The Problems of Parenthood
• S1.E10 ∙ The Limits of Endurance