The Wall, 8 p.m.

It's international pot smoking day. Why not partake in this trippy experience? Thanks largely to illustrator Gerald Scarfe and his constantly morphing, slightly disturbing and completely spellbinding images, The Wall is an hour and a half of absolutely mind-bending provocation set to Pink Floyd's epic album of the same name.

Bay Theater - Seal Beach, 340 Main St., Seal Beach, CA; 562-431-9988

Kottonmouth Kings; OPM, 6:30 p.m.

Another toke-worthy occurrence on this, the smokiest of holidays.

The Grove of Anaheim, 2200 E. Katella Ave., Anaheim, CA; 714-712-2750

Britney Spears; The Pussy Cat Dolls, 8 p.m.

An evening of watching a crazy person try to act sane. Bring pot!

Honda Center, 2695 E. Katella Ave., Anaheim, CA; 714-704-2400