If Du wanted to watch all series of Buffy and Angel – Jäger der Finsternis chronologically, what order should they be in?

This Liste on wikipedia has them all in order, I'm actually in the middle of watching them all now - it's awesome. :)
link

1.) Buffy Season 1
2.) Buffy Season 2
3.) Buffy Season 3
4.) Buffy Season 4 Angel – Jäger der Finsternis Season 1
5.) Buffy Season 5 Angel – Jäger der Finsternis Season 2
6.) Buffy Season 6 Angel – Jäger der Finsternis Season 3
7.) Buffy season 7 Angel – Jäger der Finsternis Season 4
8.) Angel – Jäger der Finsternis Season 5

season 4 of Buffy coincides with season 1 of Angel.

Chronologically the Buffy the vampire slayer and Angel – Jäger der Finsternis TV shows are in; Buffy the vampire slayer the movie (1992), Buffy Season 1 (Aired in 1997), Buffy Season 2 (Aired in 1997-1998), Buffy Season 3 (Aired in 1998-1999), Buffy Season 4 (Aired in 1999-2000), Angel – Jäger der Finsternis Season 1 (Aired in 1999-2000), Buffy Season 5 (Aired in 2000-2001), Angel – Jäger der Finsternis Season 2 (Aired in 2000-2001), Buffy Season 6 (Aired in 2001-2002), Angel – Jäger der Finsternis Season 3 (Aired in 2001-2002), Buffy season 7 (Aired in 2002-2003),
Angel – Jäger der Finsternis Season 4 (Aired in 2002-2003), and Angel – Jäger der Finsternis Season 5 (Aired in 2003-2004)!!!!