CBS did not air "The Big Bang Theory" Episode 14 Season 10 last Jan. 26, Thursday. According to reports, the "TTBT" episode with the title "The Emotion Detection Automation will be aired next Thursday, Feb. 2.

Episode 14 "The Big Bang Theory Season 10 "The Emotion Detection Automation" will focus on Raj's (Kunal Nayyar) love life. This will be the first major storyline for the character of Raj this season.

Entertainment weekly has already shared a photo preview of what to expect in the "TBBT" Season 10 Episode 14. Howard (Simon Helberg), Raj and four of Raj's past girlfriends are seen in the picture.

The two Emily's played by Laura Spencer and Katie Leclerc, Claire played by Alessandra Torresani and Lucy played by Kate Micucci will all come back for "The Emotion Detection Automation". Four of Raj's past girlfriends will give their thoughts on what went wrong in their relationships.

The ex-girlfriends focus group is done by Raj to prove to Penny (Kaley Cuoco) that he is not bad at relationships. According to reports, the girls will tell Raj how needy and pushy he is and that he is a mama's boy who gives too much attention to his looks. One of the exes will also teas Howard and Raj as to why they were never a couple.

Also in Episode 14 "The Big Bang Theory Season 10, Penny and her brother Randall (Jack McBrayer) will reunite. Penny will be having a hard time finding a job for his brother given his not so clean criminal record.

Meanwhile, Sheldon (Jim Parsons) will use a machine that can interpret feelings. The machine is where episode 14 got its name.

Sheldon will be trying to understand his own as well as the feelings of his friends. This is Sheldon's attempt to understand different emotions.

"The Big Bang Theory" Season 10 Episode 15 "The Locomotion Reverberation" will focus on Leonard (Johnny Galecki) and Howard's attempt to invent something without seeking Sheldon's help. Amy, Penny and Bernadette will be having a girl's night out in Episode 15.