S1 · E1
15 min
S1 · E1
15 min
3-2-1 Classroom Contact·PBS
All episodes
1 season · 30 eps
Season 1
S1 · E2
15 min
S1 · E2
15 min
They're Habit Forming: Crystals Episode 2
S1 · E3
15 min
S1 · E3
15 min
Earth is Change: Erosion Episode 3
S1 · E4
15 min
S1 · E4
15 min
Remains to be Seen: Fossils Episode 4
S1 · E5
15 min
S1 · E5
15 min
3-D Sea: Ocean Environments Episode 5
S1 · E6
15 min
S1 · E6
15 min
Too Hot to Handle: Volcanoes Episode 6
S1 · E7
15 min
S1 · E7
15 min
Go with the Flow: The Water Cycle Episode 7
S1 · E8
15 min
S1 · E8
15 min
Eye of the Beholder: Animal Vision Episode 8
Stephanie Yu shows to Z Wright a series of unusual cameras that simulate the way animals see.
S1 · E9
15 min
S1 · E9
15 min
Living on the Edge: Antarctic Animals Episode 9
S1 · E10
15 min
S1 · E10
15 min
Life Down Under: Australian Mammals Episode 10
S1 · E11
15 min
S1 · E11
15 min
The Shocking Truth: Bioelectricity Episode 11
S1 · E12
15 min
S1 · E12
15 min
The Order of Things: Classification Episode 12
Both Stephanie Yu and Z Wright challenge each other with classification quizzes. Features the ""feather detective"" sequence from 3-2-1 Contact Episode 144.
S1 · E13
15 min
S1 · E13
15 min
The Inside Story: Digestion Episode 13
Stephanie demonstrates the digestive process by dissolving three food items in various solutions. Features the ""lost"" sequence from 3-2-1 Contact Episode 164, in which a group of kids examine a pig's digestive system.
S1 · E14
15 min
S1 · E14
15 min
Winging It: Flying Animals Episode 14
Stephanie shows how different wings suit different animals. Features the ""Different Wings for Different Things"" and ""Raptor Rehab"" sequences from 3-2-1 Contact Episode 76.
S1 · E15
15 min
S1 · E15
15 min
Eat and be Eaten: Food Chains Episode 15
S1 · E16
15 min
S1 · E16
15 min
How Do They Know That? Innate & Learned Behavior Episode 16
Stephanie sees a mouse learn its way through a maze. It proves that there is a lot more behavioral traits an animal must learn than one would think. Features the orangutan rehabilitation sequence from 3-2-1 Contact episode called Tropics: Endangered Animals.
S1 · E17
15 min
S1 · E17
15 min
Living in Groups: Social Behavior Episode 17
Starting an ant farm isn't as easy as Stephanie thinks. Includes the bee sequence from 3-2-1 Contact Episode 22.
S1 · E18
15 min
S1 · E18
15 min
Learning New Tricks: Training Animals Episode 18
Stephanie shows that there is more to animal behavior. Humans can teach animals to do many things. Features the monkey-training sequence from 3-2-1 Contact Episode 83.
S1 · E19
15 min
S1 · E19
15 min
Air is There: Air is Matter Episode 19
S1 · E20
15 min
S1 · E20
15 min
Getting a Grip: Friction Episode 20
S1 · E21
15 min
S1 · E21
15 min
More Power to You: Generating Electricity Episode 21
S1 · E22
15 min
S1 · E22
15 min
Measuring G's: Gravity and Weightlessness Episode 22
S1 · E23
15 min
S1 · E23
15 min
Living Color: Light and Color Episode 23
S1 · E24
15 min
S1 · E24
15 min
Play Ball!: Motion and Forces Episode 24
S1 · E25
15 min
S1 · E25
15 min
Facts of Light: Refraction Episode 25
S1 · E26
15 min
S1 · E26
15 min
Bubble-ology: Surface Tension Episode 26
S1 · E27
15 min
S1 · E27
15 min
How Do You Know: Collect the Data Episode 27
S1 · E28
15 min
S1 · E28
15 min
How Do You Know? Dig It Up! Episode 28
S1 · E29
15 min
S1 · E29
15 min
How Do You Know? Experiment! Episode 29
S1 · E30
15 min
S1 · E30
15 min
How Do You Know? Make a Model Episode 30
30 episodes in Season 1
Some details come from TheTVDB.