Ice Age: Collision Course (2016) Timeline Explained – Every Event in Order

Manny finds Julian annoying and believes he's not suitable to care for Peaches. Manny struggles to accept that his daughter is growing up and leaving the family, which makes him overly critical of her chosen partner. However, during the crisis when Manny and Julian work together to recover the crystal, Manny finally approves of him.

Foreshadowing: Earlier scenes show Manny's protective nature over Peaches and his difficulty letting go.

• manny
• julian
• peaches
• disapproval
• father-daughter

Scrat's pursuit of his beloved acorn in space led to a chain of events that sent asteroids hurtling toward Earth. His galactic misadventures accidentally knocked asteroids loose from their orbits, creating the collision course that threatens the world.

Foreshadowing: The film establishes early on that Scrat's acorn obsession often leads to unintended consequences.

• scrat
• acorn
• asteroid
• space
• collision

Geotopia is a mythical underground community of ageless animals that live inside one of the ancient fallen asteroids. The residents possess magical crystals that grant them immortality and eternal youth. Shangri Llama leads this hidden society.

Foreshadowing: Buck's discovery of the ancient stone pillar hints at past asteroid impacts that could have brought such creatures to Earth.

• geotopia
• crystals
• shangri-llama
• immortality
• underground

Buck devises a plan to fill a volcano with a massive orb made of crystal shards. The pressure from the accumulating crystals creates enough force to launch the orb skyward, redirecting the incoming asteroid away from Earth. The team must gather all the elderly crystal shards to create sufficient mass for the launch.

Foreshadowing: Buck's earlier explanation about past asteroid strikes and the nearby volcano hints at using volcanic pressure as a launching mechanism.

• crystals
• volcano
• asteroid
• launch
• redirect

The dromaeosaurs initially plot to eliminate Earth's inhabitants to ensure their dominance, but when they face their own obliteration from the asteroid impact, they reconsider. Buck convinces them that harmonious coexistence is possible if they work together with the herd.

Foreshadowing: The dromaeosaurs' earlier obsession with revenge against Buck made them reckless, but survival becomes their stronger motivation.

• dromaeosaurs
• gavin
• gertie
• roger
• buck
• redemption

After Sid says goodbye to Brooke and the herd leaves Geotopia, a magic crystal shard lands in a hot spring and rejuvenates all the Geotopians, restoring their youth. Brooke later appears at the wedding, reuniting with a delighted Sid.

Foreshadowing: The magical properties of the crystals were established when they first caused rapid aging.

• brooke
• sid
• rejuvenated
• wedding
• geotopia

When Sid tries to impress Brooke by taking a crystal, he accidentally triggers a chain reaction that rapidly ages all the Geotopians. The crystals are tied to their immortality, when disrupted, they cause the inhabitants to instantly become elderly, revealing their frail true appearances beneath the youthful facade.

Foreshadowing: Shangri Llama explicitly states the crystals are essential to the Geotopians' immortality.

• sid
• brooke
• crystals
• aging
• geotopia

Diego and Shira contemplate starting a family but worry that their offspring might struggle to make friends. Other animals fear saber-tooth tigers due to their predatory nature, making it difficult for tiger cubs to integrate peacefully into the herd community.

Foreshadowing: The film establishes the herd's history with predator-prey dynamics through Diego's character arc.

• diego
• shira
• tigers
• children
• friends

The mysterious stone pillar contained inscriptions showing that past asteroid strikes led to two previous extinctions on Earth. Buck believed investigating the nearby volcano where these impacts occurred could hold clues to stopping the current asteroid.

Foreshadowing: Buck's underground adventures had previously exposed him to ancient mysteries.

• buck
• pillar
• inscriptions
• extinction
• volcano

Peaches expresses her desire to travel the world for her honeymoon with Julian. This wish represents her longing for independence and adventure beyond her family, creating tension with Manny and Ellie who disapprove of her leaving.

Foreshadowing: The tension between Peaches' desire for freedom and Manny's overprotective nature runs throughout her subplot.

• peaches
• julian
• honeymoon
• travel
• independence

After the asteroid crisis is resolved, Scrat's antics land him on Mars where his chaotic clumsiness accidentally results in the extinction of all Martian life. He then awkwardly departs in a UFO, continuing his misadventures in space.

Foreshadowing: Scrat's space scenes throughout the film consistently show his destructive potential with the acorn.

• scrat
• mars
• ufo
• space
• ending