Mine is the usage of Immigrant Song in the climax.

My favorite moment was when they ruined Thor's character.

Probably either hulk transforming back to banner or the callback to the incredible hulk

The actors where they showed the Dark World with Matt Damon and Sam Neill.

Thor talking to a skeleton

Surtur talking to Thor while he spinning

The opening battle

Skurge talking to the girls about his collection

The Death of Loki play

Doctor Strange's cameo

Loki - "I've been falling for 30 minutes"

Thor loses him hammer/Hela's introduction

Valkyrie introduction

Thor sits through Grandmaster's "ride"

Grandmaster's introduction

Thor meets Korg

Thor vs. Hulk

Hela vs. Hogun and Asgardian army

Hela visits Odin's treasure room

Get Help

Sakaar escape

Bruce jumps out of the ship but fails

Hulk vs. Wolf

Loki - "Your saviour is here"

Thor, Loki, Valkyrie, Heimdall, Korg, Miek, Sakaar Resistance vs. Hela's undead army

Thor vs. Hela (castle fight)

Thor, Loki and Valkyrie vs. Hela

Skurge saves Asgard people

Surtur unleashes Ragnarok

Thor becomes King of Asgard

Hearing "Pure Imagination"

Pretty much all of Loki's scenes