Life on Earth (1979)

S1E6 Invasion of the Land

Around 350 million years in the past, a pivotal moment in evolution occurred as fish transitioned from aquatic life to land-dwelling amphibians. Presently, a variety of these creatures, including newts, salamanders, toads, and frogs, continue to thrive. Among them is a fascinating frog species in which the male carries and "gives birth" to the young from his mouth!