After Theo (Tristan Byon) and Greta (Cameron Esposito) find a bird attacked by a cat, they take the bird to the vet, but unfortunately they couldn't save it. But it turns out the bird left a little something behind. From 'A Million Little Things' season 5, episode 4, 'a bird in the hand.' Watch 'A Million Little Things' WEDNESDAYS 10/9c on ABC. Stream on Hulu.