San Diego Comic-Con 2019 concluded Sunday with a variety of panels, workshops, trivia competitions and more at the San Diego Convention Center.

"Supernatural" co-stars Jared Padalecki, Jensen Ackles, Misha Collins and Alexander Calvert and the series' producers held a Hall H panel Sunday morning to discuss the series' 15th and final season. The event also feature a videod presentation of the show's highlights.

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In the afternoon, DC Comics hosted a trivia competition offering exclusive prizes to winners while a Harry Potter trivia competition was held at the Marriott Marquis San Diego Marina. Contestants at the latter competed against authors Adam Christopher, Rob Hart and voice actress Janina Gavankar.

Panels continued through the afternoon with additional events including the San Diego International Children's Film Festival and a memorial for former Comic-Con President John Rogers, who died in November at age 57.

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Events were also held at Petco Park, the Theatre Box, the Hilton San Diego Bayfront, the Manchester Grand Hyatt and the Balboa Theatre.

The San Diego Blood Bank concluded its 43rd annual Robert A. Heinlein blood drive held at the convention. Donors received a limited-edition "Avengers: Endgame" T-shirt and goody bag.

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Harbor Drive was slated to be closed to all non-foot traffic from First Avenue to Park Boulevard from through 8 p.m. to accommodate the convention's large crowds. Local transit agencies like the Metropolitan Transit System and the North County Transit District as well as Amtrak offered increased service to and from the convention center to make up for the closures.

The annual five-day convention brings in more than $147 million in economic activity to San Diego County. An estimated 130,000 people attended the festival this year.

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