I watched Help! back in June, and during the sequence for "The Night Before," I noticed that the bass part for the verses lookt to be mostly fourths and fifths. I sort of forgot about this until late October, when I learned most of the bass part. While I was writing it out in early November, I figured out the sections I was missing (the bridges).
Here's the notation, but - as always - there's the disclaimer that I might have something wrong (I'm a bit suspicious of some of the note and rest values in the introductory section, but I'm pretty sure I have the right pitches, at least):