Joel Murray Guest Stars as Doug in The Recollection Dissipation.
Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day. Also, Bernadette is nearing the end of her maternity leave and must return to work.
Johnny Galecki (Leonard)
Jim Parsons (Sheldon)
Kaley Cuoco (Penny)
Simon Helberg (Wolowitz)
Kunal Nayyar (Koothrappali)
Mayim Bialik (Amy)
Melissa Rauch (Bernadette)
Kevin Sussman (Stuart)
Joel Murray (Doug)
STORY BY: Eric Kaplan, Tara Hernandez, Jeremy Howe
TELEPLAY BY: Steven Molaro, Steve Holland, Maria Ferrari
DIRECTED BY: Mark Cendrowski
Series: The Big Bang Theory Season 10 Episode 20
Airdate: Thursday 6 April 2017 at 8.00pm on CBS