Justice League vs. the Fatal Five

A man who has lived a comfortable life returns to his past to change the fate of his best friend, who is trapped in a chaotic life. However, his intervention has unforeseen consequences that change the course of both their lives. In the future, the choices he made become burdens he must pay, leaving behind a changed relationship and the realization that not everything can be fixed without losing something.

A crossover with The Grim Adventures of Billy and Mandy and Codename: Kids Next Door. While Billy's Dad is underwear shopping, Billy wears his dad's lucky pants, and accidentely rips them with Grim's scythe. He calls Ed, Edd n Eddy, and they recommend Kids Next Door for charity. Numbuh 1 disguises as Billy while Billy is taken to the Deep Sea Lab. Mandy arrives at Billy's house and knows Numbuh 1 is not Billy, and tortures him into revealing the truth. Meanwhile, the Delightful Children From Down the Lane and Billy accidentally fuse with the scythes power to create the Delightful Reaper, and Mandy takes over the KND by fooling Numbuh 362 and the rest of the operatives. Now its up to Numbuh 1 and the Grim Reaper to save KND and stop Mandy and the Delightful Reaper.

Wile E. Coyote's plans for catching the Road Runner involve a giant elastic spring, a gun and trampoline, TNT sticks in a barrel, and tornado seeds.

Boyatetsu travels to the year 2020 in Tokyo from the year 1945. Tokyo is now plagued by a decreasing population and an increase in unemployment.

When Sylvester hears that a children's museum's prize exhibit is Tweety Pie, he tires to raid the museum in order to have lunch. He doesn't succeed in his mission, due to Tweety's smartness, and the children.