The show's post-2011 episodes have been produced sporadically, with the current last episode aired in July 2012.
But many bootleg recordings of the band's live performances and demo tapes were sporadically produced throughout the 1980s.
The coin was produced sporadically until the 3rd century.
Since the May 2010 election videos have been produced sporadically.
Most production ceased by 1973, a few 1974 and later examples were produced sporadically, including the "Titan" (one built) of 1,800 ccs.
Then, a few series was produced sporadically from 1996 to 2003.
Episodes of A Look at Nature are produced sporadically, sometimes with long intervals between episodes.
It was produced sporadically until the time of Antoninus Pius (AD 138-161).
Copper coinage was produced sporadically from the late 17th century to the late 18th century, sometimes not at all, for various reasons.
It was produced sporadically, far less often than the denarius, through 44 BC.