
Methamphetamine.
Breaking Bad Season 4, Episode 8

There are continuing reports
of blue METHAMPHETAMINE,
Breaking Bad Season 5, Episode 15

All right next to the mother
of METHAMPHETAMINE syntheses.
Breaking Bad Season 4, Episode 4

Looks like it pertains to some kind
of METHAMPHETAMINE superlab.
Breaking Bad Season 4, Episode 3

of highly pure METHAMPHETAMINE.
Breaking Bad Season 4, Episode 8