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Season 6, Episode 15 - Teen Angst and a Smart-Boy Walk of Shame

Sheldon confronts the failure of his database. Also, Georgie and Mandy struggle as new parents and Missy feels forgotten.

• Guest Stars:
• Emily Osment as Mandy
• Wyatt McClure as Billy Sparks
• Ed Begley, Jr. as Dr. Linkletter
• Julia Pace Mitchell as Darlene
• Wallace Shawn as Dr. John Sturgis

Frequent Guest Stars

Here are the guest stars who have appeared in the most episodes.

1. Wallace Shawn as Dr. John Sturgis  -  48 episodes
2. Wyatt McClure as Billy Sparks  -  38 episodes
3. Craig T. Nelson as Dale  -  32 episodes
4. Doc Farrow as Coach Wilkins  -  32 episodes
5. Ryan Phuong as Tam  -  31 episodes
6. Melissa Peterman as Brenda Sparks  -  31 episodes
7. Ed Begley, Jr. as Dr. Linkletter  -  28 episodes
8. Matt Hobby as Pastor Hodgkins  -  25 episodes
9. Rex Linn as Principal Petersen  -  24 episodes
10. Brian Stepanek as Mr. Givens  -  20 episodes
11. Wendie Malick as President Hagemeyer  -  17 episodes
12. Nancy Linehan Charles as Peg  -  16 episodes
13. Danielle Pinnock as Ms. Ingram  -  16 episodes
14. Valerie Mahaffey as Ms. MacElroy  -  14 episodes
15. Sarah Baker as Ms. Hutchins  -  13 episodes
16. Emily Osment as Mandy  -  10 episodes
17. Isabel May as Veronica  -  9 episodes
18. Ava Allan as Jana  -  9 episodes
19. Mckenna Grace as Paige  -  9 episodes
20. Dan Byrd as Pastor Rob  -  8 episodes
21. Katherine Von Till as Local Newscaster  -  7 episodes
22. Reba McEntire as June  -  6 episodes
23. Grady Lee Richmond as Wade  -  6 episodes
24. Billy Gardell as Herschel Sparks  -  5 episodes
25. Andrea Anders as Linda  -  5 episodes
26. Jason Alexander as Mr. Lundy  -  5 episodes