Mr. Garrison takes his class on an archaeological dig for arrowheads. Cartman finds a mysterious triangle and the kids get on TV about this important discovery, which captures the attention of Leonard Maltin. He comes to South Park to warn about Barbra Streisand's desire to get the triangle. Barbra Streisand comes to South Park and tries to get the triangle from the kids. Barbra finally get the other triangle and becomes Mecha-Streisand, wreaking havoc upon the town. Maltin tells Chef to call Robert Smith of The Cure to come to the rescue.