A shadow of discontent falls over Bloo when Mac is selected as the companion to an imaginary superhero. A subtle, yet palpable, jealousy stirs within him.

With preparations underway for the yearly family portrait, Mac and Bloo discover an old photograph tucked away, a relic from years past.

Within the grand house, Mac and Bloo enjoyed a day of lighthearted companionship.

Across the street, a child often found amusement in teasing Bloo.

Mac felt a jolt of surprise as Bloo and the others materialized at his doorstep, announcing a slumber party with their usual enthusiasm.

Mac is disinclined to celebrations of the unexpected.

Bloo orchestrates a clandestine journey for Mac aboard the Foster's vehicle.

The inevitable happened: they were locked out. Only Cheese possessed the means of entry, the one code that stood between them and their home.

When a shadow of sadness falls upon him, Bloo envisions a sanctuary—a haven built for the forgotten companions of childhood. He dreams of a place where imaginary friends can gather, a comforting refuge from loneliness and the quiet ache of …

A ripple of disruption spreads when an invented companion is conjured as a means to deceive on a history examination.

Mac and Bloo find themselves held captive by malevolent beings, born from Goo's subconscious while she slept – creatures unknowingly conjured in the depths of her dreams.

Feeling overlooked after the annual picnic yields no visitors, Wilt departs in search of the person who brought him into being. Concerned, Bloo and the others set out to find him, uncovering intriguing details about Wilt’s hidden history al…

Disappointed by the lack of guests at the annual picnic, Wilt departs in search of his creator. Concerned, Bloo and the others set out to find him, uncovering intriguing details about Wilt’s hidden history as they journey.