The series started on May 2013 and has only six episodes, as it generally progresses as a rate of two videos by year.
- The Welcome Invitation (May 19th, 2013)
- Wario's Treasure Hunting Time (September 8th, 2013)
- The Winning Ticket. (April 27th, 2014)
- Money Mayhem (September 22nd, 2014)
- Golfing for Gold (April 19th, 2015)
- Waluigi Origins (May 8, 2016)
- According to the title of the series, Wario and Waluigi are brothers in SMG4's canonity. It's unknown if they're really brothers in the real Mario series of Nintendo because there are a lot of different sources about their relationship.
- According to Charles Martinet (voice actor for Mario, Luigi, Wario and Waluigi), Wario and Waluigi are "two nice, evil guys who found each other". Other sources also state that they are cousins.
- The Wario Bros. rarely have subtitle lines in this series.