All Available Season All Season Specials Aug, 1967 8 episodes 0.0 Season 1 Dec, 1999 8 episodes 6.4 Season 2 Oct, 2003 8 episodes 6.4 Season 3 Oct, 2010 8 episodes 6.0 Season 4 Sep, 2012 2 episodes 5.8 Season 5 Jan, 2015 8 episodes 3.9 Season 6 Jan, 2018 4 episodes 6.0 Season 7 Nov, 2020 4 episodes 6.0 Season 8 Jan, 2022 4 episodes 7.0 Season 9 Dec, 2022 4 episodes 6.5 Season 10 Dec, 2024 4 episodes 5.0
