Carry a Fire Extinguisher
It does not defeat Slimebert, but the short stun can reopen a blocked hallway or save a player from a close route.
How to Prepare for the Hazmat Update in Animal Hospital
The Hazmat update is live. Use this task list to prepare for its Slime Shift, roaming enemy, cleanup NPC, and Journal rewards.
Quick answer: Before pushing beyond Shift 12, keep a Fire Extinguisher ready for a temporary Slimebert stun, save $250 if you want to hire Sam after the Slime Shift, and open the lobby Journal so the new encounters count toward your rewards.
Verified gameplayChecked July 27, 2026
This guide covers mechanics reproduced across multiple current gameplay sources. The Roblox event confirms the update name and live window, but the developer has not published a full mechanic-by-mechanic changelog. Open the source video.
Source: Leroy · Published July 25, 2026 · 46:00 · 101,000 views when checked.
Verified Slimebert Mechanics
| Signal | What it means now |
|---|---|
| The event and live update are confirmed | Roblox lists The Hazmat Team Arrives and the live game timestamp changed on July 25. Multiple gameplay sources reproduce the same new content. |
| The Slime Shift has a repeatable flow | The first event occurs between Shifts 12 and 23, covers the hospital in slime, adds Hazmat workers, and ends with Slimebert and remaining slime leaving. |
| Sam and the Journal add follow-up tasks | Sam can be hired after the first Slime Shift, while the lobby Journal records Anomaly, NPC, and Achievement progress for Animal Coin rewards. |
How to Survive the Encounter
This is a player-task guide built from repeatable live-game behavior. Follow the confirmed response below, while treating the remaining edge cases separately from the core strategy.
Save $250 before the event ends
Sam appears after the Slime Shift and works for three shifts if hired. Saving the cost beforehand prevents a missed support window.
Check the Journal from the lobby
Review locked entries before a run so rare Slimebert, Sam, item, and event interactions count toward a specific completion plan.
Edge cases still being checked
- The official event page still does not provide a mechanic-by-mechanic patch note.
- The exact first Slime Shift varies within the current Shift 12-23 window.
- Claims about a secret Hazmat class or lab remain separate from the verified Slime Shift, Sam, and Journal content.
Common mistakes to avoid
- Trying to kill Slimebert instead of completing the Slime Shift.
- Spending below $250 before Sam reaches the check-in window.
- Ignoring the Journal until after a rare encounter has already passed.
Community video checkpoint
0:00 — Open the source footage
Captions are not currently available from the public player for this source. Open the footage from the start and compare its claimed encounter with the current live build; this page will add granular checkpoints when they can be reproduced reliably.
Frequently asked questions
Is the Hazmat update live in Animal Hospital?
Yes. Roblox lists The Hazmat Team Arrives and the July 25 live update is reproduced across current gameplay sources.
What should I carry for the Hazmat update?
A Fire Extinguisher is the confirmed Slimebert escape tool. Also keep $250 available if you want to hire Sam after the first Slime Shift.
Does Hazmat add a new anomaly?
It adds Slimebert, a special roaming enemy and Journal anomaly entry. Avoid him during the Slime Shift; he is not handled through the normal patient rejection flow.
Related guides
Hazmat Update
Read the concrete verified content list.
Complete a Slime Shift
See the Shift 12-23 window and event flow.
Deal With Slimebert
Use the confirmed survival response.
Find Sam
Hire three shifts of cleanup support.
Complete the Journal
Track all current tasks and rewards.
Find Hazmat Lab
Compare the current map with the community lab report.
Unlock Hazmat Class
Track the separate secret-class claim.