This year the team will have 37 theme nights.
They include multiple evenings with fireworks and a celebration night for America's 250th anniversary.
Families can also look forward to Toy Story, princesses and a K-Pop night.
The fun kicks off during the Grizzlies' home opener on April 7.
You can buy tickets and a list of the theme nights on the team's website FresnoGrizzlies.com.