Both live-action and animated sequences focus on easily observed changes that occur in cycles, including day and night and the four seasons. Children observe how these changes affect plants, animals and human life. Concepts and terminology covered include: adaptation, behavior, cycle, daily, daytime, dormant, energy, heat, hibernation, light, migrate. nighttime, seasons, shadow, sun, survival, temperature, today, tomorrow, yesterday.

Teacher's guide also available under Additional info tag. Reproducible PDF Teacher's Guide with student activities, plus bonus 9 minute program on DVD.

Fully chaptered DVD with 6 segments, Introduction 3:32 Winter 7:12 Spring 5:01 Summer 6:10 Fall 4:09 Conclusion 2:0