Planet Wissen

Season 1

15 episodes · Sep 30, 2002

Season 2

59 episodes · Jan 6, 2003

Season 3

42 episodes · Jan 14, 2004

Season 4

54 episodes · Jan 24, 2005

Season 5

26 episodes · Feb 6, 2006

Season 6

9 episodes · Jan 31, 2007

Season 7

3 episodes · Oct 20, 2008

Season 8

115 episodes · Feb 2, 2009

Season 9

220 episodes · Jan 1, 2010

Season 10

224 episodes · Jan 3, 2011

Season 11

136 episodes · Jan 3, 2012

Season 12

123 episodes · Jan 7, 2013

Season 13

89 episodes · Jan 6, 2014

Season 14

108 episodes · Jan 9, 2015

Season 15

93 episodes · Jan 18, 2016

Season 16

96 episodes · Jan 17, 2017

Season 17

86 episodes · Jan 15, 2018

Season 18

34 episodes · Jan 16, 2019

Season 19

98 episodes · Jan 1, 2020

Season 20

77 episodes · Jan 18, 2021

Season 21

63 episodes · Jan 14, 2022

Season 22

68 episodes · Jan 9, 2023

Season 23

5 episodes · Jan 1, 2024