Here's a 1967 clip from the old Beatles Saturday morning cartoon show.
The song is "Tomorrow Never Knows" from the Revolver LP - an odd choice for a kid's show since it was inspired from the Tibetan Book of the Dead.
The same episode has a "sing-along" version of "She Said She Said" featuring the lyrics (on-screen and in big letters ("...I know what it's like to be dead...")
Far out, kids.