Chuck is the third studio album by Canadian rock band Sum 41. The album was released on October 12, 2004. It is the band's last album to feature lead guitarist Dave Baksh until his return in 2015. Chuck peaked at No. 2 on the Canadian Albums Chart and No. 10 on the US Billboard 200, making it the band's highest-charting album until it would be surpassed by Underclass Hero in 2007.