The Simpsons (1989)

S18E8 The Haw-Hawed Couple

After being the sole attendee at Nelson's birthday bash, Bart finds himself unexpectedly claimed as Nelson's best friend. In a humorous twist reminiscent of "Goodfellas," Nelson takes it upon himself to shield Bart from any trouble. Meanwhile, Homer is tucking Lisa in for the night, grappling with the decision of whether to spoil the book's poignant conclusion for her.