923 'The Line Substitution Solution' (May 5) in Season 9 Posted May 10, 2016 · Edited May 10, 2016 by Cindi May I really liked this episode...it was funny. On 6/5/2016 at 9:48 AM, Lionne said: And what about Sheldon evoking Rosa Parks, and Leonard turning to Raj and asking: "Is this a time we can pretend you're black to avoid getting beat up?" Wow. And Kunal has to sit there and grin through that one? That was uncomfortable. Yeah I agree with this.