Feeling too grumpy to fly, Bird begins to walk and finds that his mood changes as other animals join him.

Jim Panzee wakes up in a bad mood one beautiful day, but he keeps denying he is grumpy even as his friends give advice for feeling better.

Maya doesn't know why she's grumpy. She's just in a cranky, grumpy, grouchy mood. Luckily, Gramma isn't ruffled by Maya's mood. She reminds Maya of all the fun things she might miss out on because of her grumpiness. Will Gramma's silly suggestions coax Maya out of her miserable mood?

"Have you ever had a grumpy day and not known why? Penguin is having a grumpy day like that. No matter what he does, he just can't shake it! Sometimes the only thing left to do is wash the grumpy day away and start over"--

Goat is the grumpiest animal at Sunny Acres farm until he remembers that there is more to life than eating and being alone.

Even sparkly unicorns that are filled with magical awesomeness and bring glitter and happiness to everything around them can have a bad day.

"Billy is a grumpy boy who's not like the other kids. His mother takes him and his sister, Sara, to the animal shelter one Saturday in hope of cheering him up. But the pets he sees are too happy for his taste. Then he finds the grumpy pets..."--

"Little Brown is grumpy and lonely at the dog park, until he decides to take matters into his own hands."--

"A young elephant sees his dad is in a bad mood and tries to cheer him up, not realizing his own mischief caused the bad mood in the first place"--

Edgar's bad mood begins as something small, but before long it grows, gathers strength, and sweeps through the entire town.