In the Glee episode "Mash-Up," Ken Tanaka, the football coach, decides to add another football practice every week on Wednesdays. Frustrated by the success of the glee club, he believes that the football team needs additional practice to improve their performance. Ken announces this decision during a meeting with the football team and sets Wednesday as the designated day for the extra practice session. This decision leads to conflict between the glee club and the football team, as it interferes with their shared rehearsal space. Ultimately, the clash between the two groups becomes a central theme of the episode, highlighting the challenges of balancing different extracurricular activities within a high school setting.