Here are some films and documentaries I recommend watching:

Cowspiracy

What the Health

Food Choices

Forks over Knives

Vegucated

Live and Let Live

Food, Inc.

Food matters

Hungry for Change

Okja

Tyke Elephant Outlaw

Fat, Sick & Nearly Dead (1 & 2)

Eddie the Eagle

Plastic Ocean

Rotten

Happy

In Defense of Food

The Truth about Alcohol

Fed Up

Blue Planet 1

Mission Blue

Land of Hope and Glory

Cruel Britannia

Earthlings

Best Speech You Will Ever Hear

This Speech is Your Wake Up Call

Dairy is Scary

101 Reasons to go Vegan

Uprooting the Leading Causes of Death

Helping Dad

Jason Vale - Super Juice Me!

Vaxxed

Blue Planet 2

The Secret

May I Be Frank

Speciesism

Eating You Alive

Racing Extinction

The Ghosts in Our Machine

Unity

Peaceable Kingdom

Vegan Everyday Stories

The Cove

More Than Honey

Eating Our Way to Extinction