[Answer] This "trivial" game show host shocked the world when he appeared on tv without his famous mustache in 2001.

Step 1 : Introduction to the question "This "trivial" game show host shocked the world when he appeared on tv without his famous mustache in 2001."

...In the first half of the April 1, 2008 episode, Alex wore a fake mustache as an April Fools' joke.

[Ans] In the original version of Trivial Pursuit, which category is represented by the color yellow?

Step 1 : Introduction to the question "In the original version of Trivial Pursuit, which category is represented by the color yellow?"

Trivial Pursuit is a board game in which winning is determined by a player's ability to answer general knowledge and popular culture questions. Questions are split into six categories, with each one having its own color to readily identify itself; in the original version of Trivial Pursuit, the categories are Geography (blue), Entertainment (pink), History (yellow), Arts & Literature (originally brown, later purple), Science & Nature (green), and Sports & Leisure (orange).

[Answer] In the original version of Trivial Pursuit, which category is represented by the color yellow?

Step 1 : Introduction to the question "In the original version of Trivial Pursuit, which category is represented by the color yellow?"

...Trivial Pursuit is a board game in which winning is determined by a player's ability to answer general knowledge and popular culture questions. Questions are split into six categories, with each one having its own color to readily identify itself; in the original version of Trivial Pursuit, the categories are Geography (blue), Entertainment (pink), History (yellow), Arts & Literature (originally brown, later purple), Science & Nature (green), and Sports & Leisure (orange).