Crabby is a very grumpy crab, so Plankton tries to find a game that will cheer Crabby up, but Crabby does not want to play Simon says or hide-and-seek---will a game of tag be more to Crabby's taste?.
"It is late and Crabby just wants to sleep, but Plankton keeps Crabby awake with questions and chatter--until a request for a bedtime story takes an unexpected turn"--OCLC.
Crabby is not a happy crab, in fact Crabby is quite crabby, so pushy Plankton, who is always trying to cheer up fellow marine creatures, bakes Crabby a cake but will Crabby finally smile?.
Blue Crab scuttles through the shallow waters of the Chesapeake Bay to find a mate, to molt, and to avoid predators while waiting for her eggs to hatch.
When Sebastian the crab has a bad day, nothing that Ariel and his other friends do seems to cheer him up, until he realizes how lucky he is to have such good friends.
A hermit crab who has outgrown his old shell moves into a new one, which he decorates and enhances with the various sea creatures he meets in his travels.