broadcast on October 6, 2011, the episode was watched by 13.92 million households in the U.S. It received a Nielsen rating of 4.5/14 for viewers aged 18–49 and beat all other episodes in its timeslot. It also received more viewers than any other show on CBS airing that night. In Canada, the episode aired on the same night on CTV Total and received 3.283 million views, giving it a weekly ranking of 1. In Australia, the episode aired on Nine Network on October 16, 2011 and was watched by 1.551 million households. It was the most watched television show that night and third most watched that week. In the United Kingdom, the episode first aired on November 17, 2011 on E4. It received 1.025 million viewers on E4 and 0.316 million when it aired on E4 +1, for a total of 1.341 million viewers. It had ranks of second and first that week for the channels, respectively, and received a rank of ninth on cable overall. Reviews Robin Pierson of The TV Critic rated the episode 67 out of 100. Oliver Sava of The A.V. Club gave the episode a D+. Jenna Busch of IGN rated it 7/10 and wrote that "the sub-plot was actually funnier than the main storyline". References External links "The Wiggly Finger Catalyst" at CBS.com 2011 American television episodes The Big Bang Theory episodes fr:Saison 5 de The Big Bang Theory#Épisode 4 : Dialogue de sourds