"Happy Game" is the 8th episode of Boy Girl Dog Cat Mouse Cheese which was released on January 7, 2020 on Family Channel. It aired on CBBC on December 4, 2019. It has also aired on Gulli on May 30, 2020.
Mouse buys a video game that is supposed to teach the family teamwork.
- In France, it is listed as "Le jeu ou la vie" and it was paired up with "The Cheesy Diary" when it premiered on Gulli.
- This is the first episode to feature additional animation done by Exit 73 Studios.