 Finn Hudson ( Cory Monteith ) is exhausted by his extra @-@ curricular activities , so Terri gives him pseudoephedrine tablets , which Finn shares with the rest of the males in the glee club . The effects of the tablets enhance their performance , and they give an energetic mash @-@ up of " It 's My Life and " Confessions Part II " . When Kurt Hummel ( Chris Colfer ) tells the girls the secret behind the boys ' performance , they , too , request the tablets from Terri , and give a high @-@ spirited mash @-@ up of " Halo " and " Walking On Sunshine " . Finn and Rachel Berry ( Lea Michele ) feel guilty for cheating , however , and agree to nullify the competition . When Principal Figgins ( Iqbal Theba ) learns what has happened , he fires Terri and , angry with Will , appoints Sue as co @-@ director of the glee club . 
 Finn Hudson ( Cory Monteith ) is exhausted by his extra @-@ curricular activities , so Terri <a href='uninflect' title='1'><mark>gives</mark></a> him pseudoephedrine tablets , which Finn <a href='uninflect' title='2'><mark>shares</mark></a> with the rest of the males in the glee club . The effects of the tablets enhance their performance , and they give an energetic mash @-@ up of " It 's My Life and " Confessions Part II " . When Kurt Hummel ( Chris Colfer ) <a href='uninflect' title='3'><mark>tells</mark></a> the girls the secret behind the boys <a href='null_genetive' title='4'><mark>'</mark></a>performance , they , too , request the tablets from Terri , and give a high @-@ spirited mash @-@ up of " Halo " and " Walking On Sunshine " . Finn and Rachel Berry ( Lea Michele ) feel guilty for cheating , however , and agree to nullify the competition . When Principal Figgins ( Iqbal Theba ) <a href='uninflect' title='5'><mark>learns</mark></a> what <a href='been_done' title='6'><mark>has</mark></a> happened , he <a href='uninflect' title='7'><mark>fires</mark></a> Terri and , angry with Will , <a href='uninflect' title='8'><mark>appoints</mark></a> Sue as co @-@ director of the glee club . 
Finn Hudson ( Cory Monteith ) is exhausted by his extra @-@ curricular activities , so Terri give him pseudoephedrine tablets , which Finn share w/ the rest of the males in the glee club . da effects of tdatablets enhance their performance , and they give an energetic mash @-@ up of " It 's mah Life and " Confessions Part II " . When Kurt Hummel ( Chris Colfer ) tell the bitches the secret behind thdaoyz  performance , they , too , request the tablets from Terri , and give a high @-@ spirited mash @-@ up of " Halo " and " walkin On Sunshine " . Finn and Rachel Berry ( Lea Michele ) feel guilty fir cheating , however , and agree to nullify the competition . When Principal Figgins ( Iqbal Theba ) learn what done happened , he fire Terri and , angry with gon , appoint Sue as co @-@ director of the glee club .