Character appearances

==Main characters/cast==
==Season 1==
Main Characters 	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Main Characters 	1 	2 	3 	4 	5 	6 	7 	8 	9 	10 	11 	12 	13 	14 	15 	16 	17 	Tot
Leonard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	17
Sheldon 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	17
Penny 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	17
Howard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	17
Rajesh Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	17
Leslie 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	3
===Season 2===
Main Characters 	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Main Characters 	 1  	 2  	 3  	 4  	 5  	 6  	 7  	 8  	 9  	10 	11 	12 	13 	14 	15 	16 	17 	18 	19 	20 	21 	22 	23 	Tot
Leonard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Sheldon 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Penny 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Howard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Rajesh Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Leslie 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	8
===Season 3===
Main Characters 	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Main Characters 	 1  	 2  	 3  	 4  	 5  	 6  	 7  	 8  	 9  	10 	11 	12 	13 	14 	15 	16 	17 	18 	19 	20 	21 	22 	23 	Tot
Leonard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Sheldon 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Penny 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Howard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Rajesh Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Leslie 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	1
Amy 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	1
Bernadette 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	5
===Season 4===
Main Characters 	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Main Characters 	 1  	 2  	 3  	 4  	 5  	 6  	 7  	 8  	 9  	10 	11 	12 	13 	14 	15 	16 	17 	18 	19 	20 	21 	22 	23 	24 	Tot
Leonard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Sheldon 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Penny 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	22
Howard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Rajesh Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Amy 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	15
Bernadette 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	15
===Season 5===
Main Characters 	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Main Characters 	 1  	 2  	 3  	 4  	 5  	 6  	 7  	 8  	 9  	10 	11 	12 	13 	14 	15 	16 	17 	18 	19 	20 	21 	22 	23 	24 	Tot
Leonard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Sheldon 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Penny 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Howard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Rajesh Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Amy 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	21
Bernadette 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	22
===Season 6===
Main Characters 	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Main Characters 	 1  	 2  	 3  	 4  	 5  	 6  	 7  	 8  	 9  	10 	11 	12 	13 	14 	15 	16 	17 	18 	19 	20 	21 	22 	23 	24 	Tot
Leonard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Sheldon 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Penny 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Howard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Rajesh Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Amy 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	22
Bernadette 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	23
Stuart 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	8
===Season 7===
Main Characters 	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Main Characters 	 1  	 2  	 3  	 4  	 5  	 6  	 7  	 8  	 9  	10 	11 	12 	13 	14 	15 	16 	17 	18 	19 	20 	21 	22 	23 	24 	Tot
Leonard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Sheldon 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Penny 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Howard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Rajesh Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Amy 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Bernadette 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Stuart(recurring) 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	8
Emily(recurring) 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	5
===Season 8===
Main Characters 	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Main Characters 	 1  	 2  	 3  	 4  	 5  	 6  	 7  	 8  	 9  	10 	11 	12 	13 	14 	15 	16 	17 	18 	19 	20 	21 	22 	23 	24 	Tot
Leonard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Sheldon 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Penny 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Howard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Rajesh Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Amy 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Bernadette 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Stuart 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	7
Emily(recurring) 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	6
===Season 9===
Main Characters 	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Main Characters 	 1  	 2  	 3  	 4  	 5  	 6  	 7  	 8  	 9  	10 	11 	12 	13 	14 	15 	16 	17 	18 	19 	20 	21 	22 	23 	24 	Tot
Leonard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Sheldon 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Penny 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Howard 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Rajesh Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Amy 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Bernadette 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	24
Stuart 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	10
Emily 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	5
Leslie 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	1
Totals
As of 207 episodes aired to date: (Last episode aired: 9x24: The Convergence Convergence)
*Johnny Galecki - Leonard Hofstadter (207 episodes)
*Jim Parsons - Sheldon Cooper (207 episodes)
*Simon Helberg - Howard Wolowitz (207 episodes)
*Kunal Nayyar - Rajesh Koothrappali (207 episodes)
*Kaley Cuoco - Penny (207 episodes)
*Melissa Rauch - Bernadette Rostenkowski-Wolowitz (137 episodes)
*Mayim Bialik - Amy Farrah Fowler (131 episodes)
*Kevin Sussman - Stuart Bloom (48 episodes)
*Laura Spencer as Emily Sweeney (16 episodes)
*Sara Gilbert - Leslie Winkle (13 episodes)
==Recurring characters==
(non-main characters that have appeared in three or more episodes total.)
===Season 1===
Recurring Characters	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode	Episode
Recurring Characters	1 	2 	3 	4 	5 	6 	7 	8 	9 	10 	11 	12 	13 	14 	15 	16 	17 	Tot
Debbie Wolowitz 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	2
Althea 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	2
Kurt 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	2
Eric Gablehauser 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	3
Mary Cooper 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	1
Mrs. Koothrappali 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	1
V. M. Koothrappali	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	1
===Season 2===
===Season 3===
===Season 4===
===Season 5===
===Season 6===
===Season 7===
===Season 8===
===Season 9===
rest of seasons forthcoming....
==Notes==
===Full schedules===
====Series====
*Leonard
*Sheldon
*Howard
*Rajesh
====Season 1====
*Leonard
*Sheldon
*Penny
*Howard
*Rajesh
====Season 2====
*Leonard
*Sheldon
*Penny
*Howard
*Rajesh
====Season 3====
*Leonard
*Sheldon
*Penny
*Howard
*Rajesh
====Season 4====
*Leonard
*Sheldon
*Howard
*Rajesh
====Season 5====
*Leonard
*Sheldon
*Penny
*Howard
*Rajesh
====Season 6====
*Leonard
*Sheldon
*Penny
*Howard
*Rajesh
*Bernadette
*Amy
====Season 7====
*Leonard
*Sheldon
*Penny
*Howard
*Rajesh
*Bernadette
*Amy
====Season 8====
*Leonard
*Sheldon
*Penny
*Howard
*Rajesh
*Bernadette
*Amy
====Season 9====
*Leonard
*Sheldon
*Penny
*Howard
*Rajesh
*Bernadette
*Amy
===All seasons===
*Leonard
*Sheldon
*Penny
*Howard
*Rajesh
Category:Characters
Category:Female Characters
Category:Reference Materials
Category:The Big Bang Theory