20 Years of Terror
20 Years of Terror is the name of a haunted house Lagoon used during the 2015 season (the 20th year of Frightmares).
Lagoon introduced 20 Years of Terror in celebration of its 20th year of Frightmares. The house was located in the east side of the Davis Pavilion and replaced the Twisted Tales house. According to Lagoon's Frightmares page in 2015, 20 Years of Terror brought back some of the most popular rooms featured in previous houses. The house had no real theme to it like some of their other houses Lagoon uses, so park guests experienced a mashup of rooms as they moved from one section to the next. Lagoon did place signs on the walls prior to each section indicating which house the following rooms came from.
The outdoor theme of the house followed that of a movie theater with the house being the "feature presentation." Ushers walk up and down the line and interact with those waiting to enter the house. On the outside of the house, old haunted house logos were put up like movie posters giving park guests an idea of the rooms that they would see inside.