Chain Reaction

Several things have been named Chain Reaction, after the chain reaction process best known in connection with nuclear fission:

Chain Reaction, a film
Chain Reaction, a 1990s record label
Chain Reaction, a 1980s game show
Chain Reaction, a 1970s band
Chain Reaction, a 1960's band
Chain Reaction, a square dance call
Chain Reaction (Stargate SG-1), an episode of the television series Stargate SG-1
A series of events that are directly related in a sequence with a starting event triggering (eg. the explosion of an atomic bomb sets of a chain reaction by disrupting atoms that disrupt more atoms down the line.)