This clip provides an overview of welding and the four most common types of welding. It provides a detailed explanation of MIG and TIG welding, when to use them, and how they're used in the real world.

Mr. Keating emphasizes the real-world applicability of words, language, and poetry. He encourages his students to contemplate their life's purpose. The human race is full of passion- poetry, beauty, romance and life: the things people stay alive for. "The powerful play goes on, and you may contribute a verse. What will your verse be?"

The CyberSquad finds that no one is on floor -3, and Motherboard cannot track their location. Jackie guesses that they are on floor -5, the Grand Ballroom, so Digit tries to determine which direction to go. Initially, he thinks that they should go up, but that turns out to be incorrect. Jackie, Inez, and Matt explain to Digit why -5 is less than -3.

This clip describes the experience of one student adjusting to a new environment for his welding. He discusses how making a change to any of the setup creates challenges and unfamiliarity in his work. Shanen compares welding to rock climbing and how tackling a challenge in practice is very different than how you think you'd approach it conceptually.

Charlie demonstrates how math is all over in the universe. He shows how, even in simple ways, mathematics is evident.