The Beatles catalog includes so many classic and timeless songs, it's easy to forget that not all of them are gold. As their albums got better, and their creative impulses grew stronger, picking out the lesser numbers gets more difficult, as you'll see in the below list of the Worst Song on Every Beatles Album.
Sometimes it was a hastily written and recorded track to fill out an LP length; other times, it was a cover song that was the most skippable song on an album. There are in-studio goofs, foreign-language remakes of a big hit and solo throwaways that don't even make it to the minute mark found below.
Nobody was spared. Paul McCartney and George Harrison are the most represented – the former's love of old-timey music didn't often fit in with the band's experimental nature; the latter didn't hit his songwriting stride until later – but John Lennon takes the lead on a song or two, and even Ringo Starr can be heard in the background of one track, though the songs in which he sings lead are so few that the law of averages works in his favor here.
Source: ultimateclassicrock.com