The Lonesome Mouse
Jerry crashes a vase onto Tom’s head, which gets Mammy to throw Tom out. Jerry revels in his freedom, among other things turning Tom’s picture into a Hitler caricature then spitting on it. But he soon tires of this, and under a flag of truce, hatches a plan with Tom. The abnormally talkative duo stage a grand chase, but whenever they’re out of sight of Mammy, they fake it, pausing for patty-cake, a turkey leg, and a drum jam session. Eventually, Tom chases Jerry under a rug, then swaps in a tomato, which Mammy crushes. With Jerry apparently vanquished, Tom is rewarded with a pie, but when Jerry tries to claim his share, Tom shuts him out.
The one where they talk. Jerry gets Tom thrown out of the house, discovers he is bored without him, and the two openly negotiate a plan to get him back in — with actual dialogue, which the series almost never used. It is the earliest and clearest statement of the idea underneath the whole run: they need each other, and neither wants to win permanently.