Canister 1: There is a Scream Canister before you enter the Secretary's office.Level 2: Scream Canisters
Canister 2: After getting Thaddius' Monster Manual, tTurn the corner for two Scream Chips and another canister.
Canister 3: Enter the room behind Mike. In the next room are two fork machines. Get on the second one. The third canister is in the air.
Canister 4: After getting the key to get into the room where Randall was, there is a bump in the wall with another canister.
Canister 5: In Mr. Waternoose's office are two Scream Sirens. Go to the one next to the windowed safe and roar. Go inside to find a box. Behind it is the last Scream Canister.
Canister 1: Behind you is a door that you can smash. Behind the door are two CDA robots that you must destroy. Go farther to find the first canister.
Canister 2: When you reach the 23-19 Siren, take a sharp turn around the corner to find the second canister.
Canister 3: Go under the first three Wall Squishers to find a CDA robot and the third canister.
Canister 4: When you find the key for the mail train, jump down to find another CDA robot and Scream Canister.
Canister 5: After you get off the train, there are three CDA robots and a window that leads to Boo and lockers that hold Scream Chips and the last canister. Note: To open the lockers, use spin towards them.