| 回数 | テーマ | テーマURL |
| 1 | Unit 1 What is“Black Friday”? | |
| 2 | Unit 2 What is a“leap year”? | |
| 3 | Unit 3 Why do big ceremonies have a“red carpet”? | |
| 4 | Unit 4 Where did“mouthwash”come from? | |
| 5 | Unit 5 What is a“Viking”? | |
| 6 | Unit 6 Why are oranges“orange”? | |
| 7 | Unit 7 Where did“Vaseline”come from? | |
| 8 | Unit 8 Why are flamingos“pink”? | |
| 9 | Unit 9 What is a movie“trailer”? | |
| 10 | Unit 10 Where did“bubble wrap”come from? | |
| 11 | Unit 11 Why is a billiard table“green”? | |
| 12 | Unit 12 Why is film called“footage”? | |
| 13 | Unit 13 Where did“Coca-Cola" come from? | |
| 14 | Unit 14 Why are social media apps“blue”? | |
| 15 | Unit 15 Where did“makeup”come from? | |
| 16 | 定期試験期間 | |