Episodes Season 1 (2001)

Season 2 (2002)

Season 3 (2002)

Season 4 (2003)

Season 5 (2004)

Season 6 (2004–05)

Season 7 (2005)

Season 8: Family Edition (2005)

Season 9 (2006)

Season 10 (2006)

Season 11: All-Stars (2007)

Season 12 (2007–08)

Season 13 (2008)

Season 14 (2009)

Season 15 (2009)

Season 16 (2010)

Season 17 (2010)

Season 18: Unfinished Business (2011)

Season 19 (2011)

Season 20 (2012)

Seasons 21–37 (2012–present)

Notes

References

External links