The epic music when he discovers the flat earth is from one of my favorite movies, Interstellar. I recognized the song immediately. It's called No Time For Caution, written by the amazing composer, Hans Zimmer. Look him up, he's awesome.
4:24 "hey that looks like the old version of my ultra clogged toilet, wonder if it got an update" 4:39 and yes i did paint this, even better I VANDALISED it