Season 7, Episode 5: "The Hot Tub"

I set my head for quarter to 7...

...and...I get up.

-It always works? -It never fails.

See, it's based on your body clock.

Your body has an internal mechanism. It knows what time it is.

-What's with the bucket? -Lomez, he sold me his hot tub.

-Hot tub? - Yeah, it's in my living room.

I just gotta fill it.