515 - A Lobster, an Armadillo and a Way Bigger Number

Sheldon joins Dr. Linkletter (Ed Begley, Jr.) and Dr. Sturgis (Wallace Shawn) on a science road trip. Also, Georgie continues to lie about his age.

• Guest Stars:
• Wallace Shawn as Dr. John Sturgis
• Ed Begley, Jr. as Dr. Linkletter
• Craig T. Nelson as Dale
• Wendie Malick as President Hagemeyer
• Emily Osment as Mandy
• Stephanie Hodge as Pat

• Writers (Story):
• Steven Molaro
• Jeremy Howe
• Nick Bakay

• Writers (Teleplay):
• Steven Holland
• Eric Kaplan
• Marie Cheng

• Director:
• Alex Reid