, Have your person open the door from the inside and let you in. If there are people around before you go in, smoke or talk on the phone, acting like you had only left for a brief moment. It's good to carry an old ticket from a previous movie you saw so that if a bystander questions you, you can just flash them the ticket and say you just went out for a smoke/call.
Get an older sibling or friend to buy a ticket and go inside the theatre.

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There is usually an exit near the movie theater (not inside the theater) that does not have a handle on the outside but is used to exit instead of having to go through the lobby.
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