Here’s a rundown of this busy weekend coming up, espcially for you folks in the Boston area.

Thursday, Oct. 28
• Boston area: The Cinematic Titanic cast will again speak at MIT. Admission is free and the event is open to the public. 5-7 p.m.
• Approximately 500 theaters nationwide: RiffTrax Live. They’ll riff on “House on Haunted Hill” (lots of new riffs, they promise) and also a couple of shorts with the help of comedian Paul F. Tompkins.

Friday, Oct. 29
• Boston: Cinematic Titanic will do one show (the premiere of a new riff, “Rattlers”) 7:30 p.m. at the Wilbur Theater, 246 Tremont St., Boston. Looks like assigned seating. Tickets are $40.

Saturday, Oct. 30
• Halifx, Nova Scotia: Bill Corbett and Kevin Murphy will be guests at the Hal-Con sci-fi convention at the Lord Nelson hotel. There’ll be a Q& A, an autograph session and in the evening the Canadian premiere of the New MST3K: Volume 19 set from Shout! Factory.

Sunday, Oct. 31
• Boston: Kevin Murphy and Bill Corbett will appear in the “W00tstock” show, also at the Wilbur Theater.