Episodes:<br /><br />“The Lever” - While Stef tries to introduce the intricacies of the human brain, Brian becomes increasingly fascinated by a large lever on the desk in front of him.<br /><br />“Sound Effects” - Brian & Stef introduces the exciting world of sound, but when Dan appears with a guitar to demonstrate the sound of music, Stef & Brian interrupt his performance with bursts of odd sound effects.<br /><br />“The Weather” - Brian gives out a weather report with unexpected consequences for Stef & Dan.
