. . "Next episode"@en . . . "N/A"@en . "Previous episode"@en . . . "Season"@en . . . "How Hard Can It Be?"@en . "1"^^ . "Show"@en . "Guest stars"@en . "2016-01-29"^^ . . "Episode"@en . "Luigi and Waluigi begin to dare each other with silly challenges and it begins to get out of hand. Mario and Wario must work together to stop the two before things get ugly."@en . "Luigi and Waluigi begin to dare each other with silly challenges and it begins to get out of hand. Mario and Wario must work together to stop the two before things get ugly."@en . "12"^^ . "How Hard Can It Be?"@en . . "Airdate"@en .