Charlie Daggett was driving his regular pre-school bus route, and picked up Penny Randall, the last stop before going to school. The children were disappointed to be headed there, but Charlie reminded them that only smiles were allowed on his bus.[1]
During the journey the bus crossed a bridge as some of the suspension cables broke. This resulted in the bus being hit by a LexCorp truck and a sports car, sending it halfway over the side of the bridge. The bus was rescued by Superman and Superboy.[2] Shortly thereafter, Klarion appeared over the bus, and took it as his anchor to the mortal plane. Klarion teleported the bus away in search of heroes who could help him fight Child, taking them all on a journey through time and space.[1]
The bus was on a bridge as it was attacked by Kobra-Venom-enhanced plant creatures. Despite the best efforts of Black Canary, Green Arrow and Red Arrow, the bus was thrown off the bridge, but landed in a baseball mit-shaped energy construct created by Guy Gardner.[4] Klarion teleported it away seconds later.[1]
While the world was magically split into two dimensions, one for adults and one for children, the bus was on a bridge. In both dimensions the bus teetered over the edge of the bridge. It was rescued by Rocket in the child dimension,[5] and by Icon in the adult dimension. Klarion teleported both buses away shortly after.[1]
The bus was caught in the natural disasters caused by the Reach's Magnetic Field Disruptors. Black Canary and Green Arrow were helping the children out of the bus,[6] when Klarion teleported the bus, including the evacuated children, away.[1]
The bus nearly crashed into Baby in the extraplanetary space between Earth and Mars, before teleporting away.[7][1]
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The bus travelled through mysterious dimensions and various locations, as Charlie and the children screamed between gasping for breath. Among other things, they passed through Cyborg's Mobius tech infused blood vessel and flew by the Source Wall, some DNA strands and a green planet.[8] In the Phantom Zone, the bus passed Superboy, who cried out for help.[9][1]
The bus finally halted in its journey as Klarion found the heroes he was looking for at the time he needed them.[1] After Doctor Fate, Zatanna and the Sentinels boarded the bus, Klarion teleported it once more. Charlie drove it through another dimension, following a map made by Doctor Fate.[9]
The bus arrived at the Old Salem Animal Shelter. Klarion selected a new feline anchor, de-possessing the bus. Then the magical heroes teleported away to battle Child, but not before Zatanna promised Charlie and the children that they would return to send them back to their proper time.[9]
True to her word, Zatanna and Doctor Fate returned to send the bus back. Zatanna cast a spell to learn what happened to the bus on its journey. Shortly after, Doctor Fate teleported it away.[9]
Moments after Klarion first teleported the bus away to begin its journey through time and space, Doctor Fate returned the bus and its occupants to the same spot.[9]
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At some point the bus was taken out of service and sent to a scrapyard in Metropolis where it was compacted into a cube.[11]
The group took the school bus into battle against Dru-Zod and his forces at Planet Circle. Zatanna used magic to enable the bus to fly and render it invisible while Tigress drove. It rammed into Lor-Zod, but was later destroyed by the Emerald Empress. Everyone was able to get off safely beforehand.[13]