Where Jinora and Ikki are spending sisterly time together, and Tenzin and Pema are focusing on Rohan.
So, everyone is unintentionally ignoring Meelo, who runs away and gets lost in Republic City.
Ultimately, Bolin finds Meelo and assures him that he knows what it’s like to feel like the ignored brother or the burden or the comic relief.
And from then on we have MEGA MEELO AND BOLIN BONDING MOMENTS!!!