It's Ord's birthday and his friends are trying to hide his stuff for his surprise party. Ord feels neglected that his friends don't want him anymore. However, he later discovered that his friends wanted to surprise him for his Birthday.
Notes and Trivia
In "Ord's Unhappy Birthday", Emmy and Max thought Ord was Cassie, though they should have known it was Ord based on Ord's blue tail.
"Ord's Unhappy Birthday" introduces the character of Sid Sycamore, a talking tree, who likes to laugh at his own lame tree puns.
During Ord Week, "Ord's Unhappy Birthday" airs with "It Happened One Nightmare" as the first half of episode #108W
Ord's noticeably upset throughout the entire episode, yet nobody seems to really pay attention. Chalk it up to their excitement over the surprise party.