Screenplay by Andrew Stanton and Rita Hsiao and Doug Chamberlin & Chris Webb
Original story by John Lasseter and Peter Docter and Ash Brannon and Andrew Stanton
Note how the ellipses give this montage a feeling of fluidity.
Note the reveal and gut-punch at the end.
This a technique used in all kinds of art — breaking-up a pattern with a NEW image to pack a greater punch.