You're a little off on the storyline (Group of townsfolk including the minister win the lottery but can't find the ticket - minister was holding it, but can't remember what he did with it. Coincidentally, hypnotist comes to town for a performance (accidentally hyp's one of the other characters, but no one notices; secondary subplot ensues. Lottery group gets the hypnotist to try and get minister to recall where the ticket is, but no luck (he didn't want to buy the ticket, as he was opposed to gambling). Since he has to leave, he leaves the minister with a post hypnotic suggestion (a bell ring) that will cause him to tell the truth, so that after he relaxes, he might be in a better state; the only one who can trigger is the "interested female" character. She tries later, but no luck.
I have it on a VHS somewhere, but my converter is down and I haven't had time to repair it. I haven't found it anywhere online unfortunately.