Gumball and Darwin attempt to help her, but their intervention causes the "imaginary" friend to manifest as a real, physical—and somewhat terrifying—chimera creature.
"The Friend" shifts from a comedy about social awkwardness into a poignant story about the universal need for companionship and the trauma of abandonment. Comparison and Contextual Significance [S3E30] (29-30)The Saint/The Friend
If you were looking for information on a different series, such as the 1960s , that show’s Season 3 consists of 23 episodes, ending with "The Happy Suicide". Gumball and Darwin attempt to help her, but