If i remeber it correctly, you were supposed to use the time reverse on the jumping stone wall
Viewing post in Drake Madduck Is Lost In Time comments
problem solved, had gotten a new forward-time-laser when I collected the red crystal. it's just too easy to accidentally skip dialogue or click it away before you even release that there was a dialog box.
maybe you should force the dialog boxes to stay opern at least 2 seconds or so minimum before you can click them away