Judd Apatow, Leslie Mann, Keegan-Michael Key, Maria Bakalova, Iris Apatow, Sophia Scott

Kelly sings "Dancing in the Street"; Judd Apatow, Leslie Mann, Iris Apatow, Maria Bakalova and Keegan-Michael Key ("The Bubble"); "The Bubble"-theme game; brothers reunited in Sacramento; students react to teacher's engagement; Sophia Scott performs.