The Brief A haunted house based on the 1997 horror movie "I Know What You Did Last Summer" is coming to SeaWorld Orlando's Howl-O-Scream event. SeaWorld Orlando will bring "I Know What You Did Last Summer" to life with a haunted house for this year's Howl-O-Scream. The movie spawned several sequels, including "I Still Know What You Did Last Summer" (1998), "I'll Always Know What You Did Last Summer" (2006) and "I Know What You Did Last Summer" (2025). SeaWorld San Antonio and SeaWorld San Diego will also get versions of the house for their Howl-O-Scream events. Artwork for the "I Know What You Did Last Summer" haunted house coming to SeaWorld Orlando's Howl-O-Scream.