Audience Participation

These games involve bringing memebers of the audience on stage to participate in an active way.

Pillars

One or Two volunteers from the audience are selected to come stand or sit on stage.
Get a suggestion.
Two improvisers perform a scene.
Every now and then the improvisers will tap a volunteer on the shoulder and the volunteer will supply a random word.
The improvisor will then have to justify that word as if they had said it themself.

Improviser 1: Sure is a beautiful day!
Improviser 2: Yeah, on a day like this I really feel like... *taps volunteer*
Volunteer: Scooping!
Improviser 2: Scooping up some mud and just making some mud pies with you bro.
Improviser 1: Ah! That sounds amazing! I... *taps volunteer*
Volunteer: Grapes!
Improviser 1: Grapes, I think grapes are the snack we should bring.
Improviser 2: You're so thoughtful. You know I love grapes because... *taps volunteer*
Volunteer: Sniff!
Improviser 2: Sniff, the sniff aroma of grapes pleases me.

Give the audience members a chance to practice before you really start the scene.
Instruct the audience memebers to just blurt out a random word, don't try to make it fit in the context of the scene.

This is a game for two improvisers.
A volunteer from the audience is invited to sit center stage.
The two improvisers conduct a brief interview of the audience member. Get their name, family, pets, occupation, hobbies, etc...
Instruct the audience member that whoever they are looking at during the song has to be singing, they can switch back and forth between who they are looking at as much as they want, and to use and abuse this power.
The music comes in and who ever is being looked at must serenade the audience member.
The improviers will need to listen intently while the other is singing so they can continue any lines are are interupted with a switch.

If you get switched to mid word or phrase, do your best to finish that word or phrase.
Use the persons name often. It's a good reset or start of a line or verse.
Better yet if you can set up rhymes with their name.