WATCH: Check out these 2016 Super Bowl ad teasers

As Super Bowl 50 approaches, many companies have released their ads (or teasers) ahead of the big game.

The average cost of a 30-second slot has climbed to $5 million -- that's up 11-percent from last year, according to Business Insider.

Here are a few of this year's commercials.

Colgate's ad has an important message: