4

Chip's Tips on China

3

Jupiter

3

Gulfs of the World

3

The Winklers' Holiday on Zoo Lovers Day

4

Maddy's Iowa Diary

3

Neptune

4

Lightning

4

Okavango Delta, Botswana

4

Chip's Tips on Egypt

1

Weather Signs

4

Maddy's South Dakota Diary

4

The Hollows Eve Theater

4

Maddy's Vermont Diary

4

Extreme Weather

4

Chip's Tips on Qatar

1

Weather Signs

4

Tornadoes

4

Maddy's Washington Diary

4

Hurricanes

2

Natural Disasters

4

Maddy's Nebraska Diary

3

Mars

4

Dr. Why-Physics

3

Saturn

3

Uranus