S1.E1 ∙ Jack BlackFri, Dec 3, 2010Jack Black proves he's larger than life as he breaks out the guitar for an impromptu jam session.6.2/10 (20)Rate
S1.E2 ∙ Andy SambergFri, Dec 10, 2010Actor/comedian Andy Samberg shares some family secrets with Phineas and Ferb.6.2/10 (15)Rate
Top-ratedS1.E3 ∙ Seth RogenFri, Jan 7, 2011Phineas and Ferb get to know the real Seth Rogen.7.5/10 (13)Rate
Top-ratedS1.E4 ∙ Tony HawkSat, Jan 22, 2011Phineas and Ferb spend time with legendary skateboarder Tony Hawk.7.5/10 (11)Rate
Top-ratedS1.E5 ∙ Taylor SwiftFri, Feb 18, 2011Phineas and Ferb rock out with pop sensation Taylor Swift.7.6/10 (25)Rate
Top-ratedS1.E6 ∙ Regis PhilbinFri, Feb 25, 2011Who knew Regis loves hip hop and "Squirrels in my Pants"?7.6/10 (12)Rate
Top-ratedS1.E7 ∙ Neil Patrick HarrisFri, Mar 18, 2011Phineas and Ferb welcome star of stage and screen, Neil Patrick Harris.8.6/10 (18)Rate
S1.E8 ∙ Randy JacksonFri, Mar 25, 2011Randy tells the boys about what dogs they would be and gives Candace some useful singing tips.7.0/10 (10)Rate
S1.E9 ∙ Emma RobertsFri, Apr 8, 2011Emma Roberts sat down to chat and even dished out some advice to Isabella on guys.6.9/10 (12)Rate
S1.E10 ∙ Cedric the EntertainerFri, Apr 29, 2011Cedric comes by and Phineas questions him on his first comedy act.7.0/10 (10)Rate