S51 E1: When Whales Could Walk

S51 E2: Easter Island Origins

S51 E3: Building the Eiffel Tower

S51 E4: Hunt for the Oldest DNA

S51 E5: A.I. Revolution

S51 E6: Great American Eclipse

S51 E7: Secrets in Your Data

S51 E8: Decoding the Universe: Cosmos

S51 E9: Solar System: Storm Worlds

S51 E10: Solar System: Strange Worlds

S51 E11: Solar System: Volcano Worlds

S51 E12: Solar System: Icy Worlds

S51 E13: Solar System: Wandering Worlds

S51 E14: Decoding the Universe: Quantum

S51 E15: Building Stuff: Boost It!

S51 E16: Building Stuff: Reach It!

S51 E17: Building Stuff: Change It!

S51 E18: Lost Tombs of Notre Dame