The BEST episodes written by Gene Deitch
#1 - Switchin' Kitten
Tom and Jerry - Season 1960 - Episode 1
This was the episode where Tom & Jerry go into an old castle on a dark and stormy night. The owner, most likely a relative to Dr. Frankenstein, switched animal brains to different animals. Jerry was a victim, who acted like a lion, and scaring Tom away, who had seen enough of the strange animals.
#2 - Carmen Get It!
Tom and Jerry - Season 1960 - Episode 13
Another musical episode. Jerry goes into an opera, and Tom sneaks in behind a giant instrument case. Tom hides a tape recorder inside a violin, with a tape playing the role of the instrument. He's also a conductor, but ants keep changing the notes on a blank page.
#3 - Dicky Moe
Tom and Jerry - Season 1960 - Episode 8
A Tom and Jerry version of the book, "Moby Dick".
#4 - Tall in the Trap
Tom and Jerry - Season 1960 - Episode 10
A western episode in which the Sheriff hires Tom to catch Jerry, but Tom accidentally blows the place up instead.