The Turtles were fighting Shredder on Top of a Gas Building the Turtles were winning so far and now only the Shredder was Left he was the one who was carrying a weapon that power was DANGEROUS but they did not know what it was.
Before the Turtles React Shredder Powers It up and a Reddish Beam was heading for Leonardo's direction fortionally Leonardo escaped the Blast but Raphael was Hitted and Fell into Sleep with the Shredder Laughing the others go to there fallen Bro and when Leonardo slashes his sword were Shredder was it only hit air.
Leonardo: Agh! Shredder Escaped with the Laser Cannon!
Leonardo: Pant Okay lets take the Battle Shell
Donatello: Checking Raphael's Pulse Yea
The three Turtles half-drag half-carry there Bro into the Battle Shell and Return Home
In the Lair
Leonardo: Sensei were home
Splinter: Did you get the Laser
Donatello: Shredder disappeared before we could get it
Michelangelo: Man
Splinter: My sons what happened to Raphael?
Leonardo explains the Beam and they don't know how Raphael passed out
Splinter: Put him in his Room and we will do a check-up in the Morning
Turtles (Incept Raphael DUH!): Yes Master Splinter
They put him in his room and settle down for the night
Unaware what was happening to Raphael
R&R