This Skit is meant for Boy Scouts.
Decide for yourself if it is appropriate for your younger scouts or not.

5 scouts
1 girl (or boy acting)
6 chairs
a small bag
a cup
a ring (or pretend)

set the chairs in a row facing the audience. 4 scouts sit down leaving the two end chairs open.

Scene: A full movie theater. A boy and his girlfriend are going to the movies, but there are only two seats left.

Scout 1: Well, I guess I'll have to sit over here and you can sit there. (they sit down)

Scout 1: (after a pause, leans over to scout next to him and hands him the bag) Psst, ask her if she wants some popcorn.
(Each scout passes the request down the line)
Girl: Oh, yes please. (takes the bag from last scout)

Scout 1: Psst, ask her if she wants some pop.
(hands cup down the line.)
Girl: Oh, yes please. (takes cup from last scout)

Scout 1: Psst, ask her if she'll marry me. (hands ring down the line.)
Girl: Oh, yes please. (runs off stage holding hands with the last scout)