He reappears in "The Novelization Correlation", when his Professor Proton exhibit reboot finally airs. Sheldon is amazed to seek out he enjoys it, and that "astronaut" Howard Wolowitz is really a guest on the 1st episode. Sheldon then apologizes to Wil and mends their friendship, getting him off his enemies http://jasperquurp.pointblog.net/5-Essential-Elements-For-Taboo-dvd-set-2-42818736