Grandpa Clyde Flynn is a fictional character portrayed by Barry Bostwick in the TV series Phineas and Ferb.
In the first episode they appeared in, titled Rollercoaster/Candace Loses Her Head (season 1), they were 62 years old.
They appear in 8 episodes out of a total of 130 aired
Episodes8
Rollercoaster/Candace Loses Her Head
episode S1.E1 august 2007The family goes to Mt. Rushmore for Candace's birthday. Doof is drilling to China.
The Fast and the Phineas/Lawn Gnome Beach Party of Terror
episode S1.E2 september 2007Trick out the family car to enter in the Swamp Oil 500. Doof flies a blimp containing his new invention which causes things to deflate.
Get That Bigfoot Outa My Face!/Tree to Get Ready
episode S1.E6 february 2008The boys renovate their old tree-house for themselves and decided to surprise Candace by giving hers a complete make-over. Dr. Doofenshmirtz plans to use brainwashed pigeons to destroy an awards ceremony in honor of his brother.
It's a Mud, Mud, Mud, Mud World/The Ballad of Badbeard
episode S1.E13 february 2008Candace learns to parallel park. The family and gang go camping with Grandpa at Badbeard Lake.
Crack That Whip/The Best Lazy Day Ever
episode S1.E18 may 2008Phineas and Ferb set up a roller derby rink for Grandma Betty Jo. / It's such a nice day that Phineas and Ferb decide to do nothing.
Run, Candace, Run/Last Train to Bustville
episode S3.E2 march 2011Candace uses boots that Phineas and Ferb invent to be in two places at once. / A retiring train conductor inspires Candace to become determinedly lackadaisical.
The Doonkelberry Imperative/Buford Confidential
episode S3.E23 march 2012Mom is out of Doonkelberries for her famous Doonkelberry pie, so the boys set out to find some.
Where's Perry? Part I
episode S3.E30 july 2012The Flynn-Fletchers and friends vacation to Africa while Perry aborts the trip to deal with Dr. Doofenshmirtz.
- Rollercoaster/Candace Loses Her Head
- The Fast and the Phineas/Lawn Gnome Beach Party of Terror
- Get That Bigfoot Outa My Face!/Tree to Get Ready
- It's a Mud, Mud, Mud, Mud World/The Ballad of Badbeard
- Crack That Whip/The Best Lazy Day Ever
- Run, Candace, Run/Last Train to Bustville
- The Doonkelberry Imperative/Buford Confidential
- Where's Perry? Part I