It's Rainbow's (Arica Himmel) birthday, but everyone seems to be having more fun than she is, including her little sister Santamonica (Mykal-Michelle Harris). Rainbow doesn't think anyone is listening to her, and it's ruining her day. When her mother (Tika Sumpter) says she's acting like a baby, Rainbow decides to give her some baby behavior. From 'True Colors,' season 1, episode 14 of mixed-ish. Watch mixed-ish TUESDAY 9|8c on ABC, streaming, on demand, and Hulu.