A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard; a blackout at Mrs. Wolowitz's results in a final dinner in her honor.
Director:
Mark Cendrowski
Cast:
Johnny Galecki
Jim Parsons
Kaley Cuoco-Sweeting
Simon Helberg
Kunal Nayyar
Mayim Bialik
Melissa Rauch
Kevin Sussman