<P> At the end of the Season 6 finale `` The Bon Voyage Reaction '' , Raj 's girlfriend Lucy breaks up with him . The subsequent trauma apparently cures his mutism , and he finds he can talk to Penny , Amy , and Bernadette while completely sober . However , he talks so much that the women become bored and irritated and start drinking in order to put up with him . </P>
<P> At the end of the Season 6 finale `` The Bon Voyage Reaction '' , Raj 's girlfriend Lucy breaks up with him . The subsequent trauma apparently cures his mutism , and he finds he can talk to Penny , Amy , and Bernadette while completely sober . However , he talks so much that the women become bored and irritated and start drinking in order to put up with him . </P>
when does raj learn to talk to penny
when does raj learn to talk to penny
At the end of the Season 6 finale
At the end of the Season 6 finale