Dimitri Denatos is the main antagonist in Mom's Got a Date with a Vampire.

Role in the film

Adam and Chelsea Hansen both have plans for the night but the problem is that they're both grounded. They decide they will do whatever it takes to get their divorced mother, Lynette, out of the house--even if it includes a chance meeting with a very mysterious man named Dimitri Denatos.

Everything seems to go according to plan until Adam and Chelsea's little brother, Taylor, realizes that Dimitri might be a vampire.

Adam and Chelsea don't believe Taylor, so he calls Malachi Van Helsing, the vampire hunter. That night that Lynette goes out with Dimitri, Taylor follows them. Not wanting her to come home early, Adam an Chelsea follow Taylor and find him outside the restaurant that Lynette and Dimitri are at. Adam and Taylor make Dimitri do the spoon test (a fake test made up by Adam to get Taylor to stop calling Dimitri a vampire). Afterward, much to his horror, Adam realizes that Taylor's hunch about Dimitri is right when he looks in the mirror and discovers that Dimitri doesn't have a reflection.

So, along with Chelsea, Adam sets out to stop Dimitri, who puts Lynette in a trance and takes her to his mansion. Meanwhile, Malachi arrives and begins to hunt down Dimitri, only to discover that he is being followed by Taylor, who (after learning the spoon test was made up by Adam) had also set out to save Lynette from Dimitri.

In the end, Taylor becomes Malachi's partner, and they arrive to do battle with Dimitri. But even together, Taylor, Adam, Chelsea, and Malachi are unable to defeat him. He goes to bite a powerless Adam, but he and Chelsea call out to Lynette, which breaks the spell on her (as only true love for someone can break a vampire's trance). She rushes over and throws Dimitri into his coffin; Malachi seals it with silver-plated nails and explains and that he plans to send it to a place where it's always sunny.

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