The Weather Underground went to great lengths to make sure nobody was hurt by one of their bombs.
The title of this episode is a reference to the rematch between Muhammad Ali and Ken Norton on September 10, 1973, which was dubbed "Ali's Revenge–The Battle of the Broken Jaw." Ali suffered a broken jaw in the first Ali-Norton bout on March 31, 1973.
"Rocket Man" by Elton John
"Go Now" by Moody Blues
Sam: A bomb went off at a bar called Glenister's.
Glenister's is a tip of the hat to actor Philip Glenister who originated the role of Gene Hunt in the UK incarnation of Life on Mars and its follow-up Ashes to Ashes.