answers: 13
context: Blue Heelers (season 12) The twelfth season of the Australian police-drama Blue Heelers premiered on the Seven Network on 2 February 2005 and aired on Wednesday nights at 8:30 PM. The 42-episode season concluded 26 November 2005. The season also saw the departure of Geoff Morrell and Martin Sacks, who chose to take time off to spend with their families. Sacks's departure left Julie Nihill and John Wood as the only remaining original cast members; and the only cast members to have been on this show since before 2001. Main cast for this season consisted of: Guest actors included Jeremy </s> on the Seven Network, thus it was limited to a PG content level restriction. When the series was hailed as a success it began the transition from this timeslot to the 8:30 pm timeslot on the same day. After the move, writers could explore more diverse storylines, as the show was restricted to an M rating. The third and fourth season premiers aired on Monday nights during the 8:30 pm timeslot, but the show moved back to its original slot before the next episode. In its fifth season, "Blue Heelers" moved to the Wednesday night 8:30 pm timeslot, which it </s> for its two main stars Lisa McCune, a four-time recipient of the Gold Logie, and John Wood, who also won Gold. "Blue Heelers" was first aired on 10 September 1993, with the episode "A Woman's Place". The last episode, aired on 4 June 2006, was the 510th episode, "One Day More". It was produced by Southern Star for the Seven Network. During its 13-season run it won a total of 32 awards and was nominated for a further 50. This included 25 Logie Awards, five of which were the Gold Logie, the most coveted television award in Australia. As well
question: how many seasons of blue heelers are there