First Beatles album you heard right-through: Would have been either Pepper, 20 Greatest Hits (UK edition) or Love Songs (the three beatles cassettes kept in my parents car when young)
Last Beatles album you heard right-through (for the first time): Probably Yellow Submarine (would have been years ago)
Most recent Beatles album you've heard right-through: [Mono] Pepper (about a month ago)
A Beatles cover that you always used to hear as a child but never actually knew it was originally by The Beatles: No idea.
First Beatles album you bought (whether digital/vinyl/CD/cassette/anything else 
): Help! (on cassette with the different ...