12x14,dancing,bart simpson,episode 14,singing,season 12,milhouse van houten,nelson muntz,martin prince,boy band,choreographed
12x14,episode 14,season 12,milhouse van houten,justin timberlake
12x14,bart simpson,episode 14,season 12,milhouse van houten,nelson muntz
12x14,bart simpson,episode 14,season 12,milhouse van houten,nelson muntz,ralph wiggum
12x14,episode 14,season 12,milhouse van houten
12x14,bart simpson,episode 14,season 12,milhouse van houten