Columns: No. in series | No. in season | Title | Directed by | Written by | Original air date | Production code | U.S. viewers (millions)
27 | 1 | "Charlie is 2!" | Bob Koherr | Erika Kaestle & Patrick McCarthy | February20,2011 | 202 | 4.2 | 28 | 2 | "Something's Fishy" | Bob Koherr | Christopher Vane | February27,2011 | 203 | 3.4 | 29 | 3 | "Let's Potty" | Bob Koherr | Phil Baker & Drew Vaupen | March6,2011 | 201 | 4.1 | 30 | 4 | "Appy Days" | Bob Koherr | Phil Baker & Drew Vaupen | March13,2011 | 208 | 3.1 | 31 | 5 | "Duncan vs. Duncan" | Tommy Thompson | Dan Staley | March20,2011 | 204 | 3.3 | 32 | 6 | "A L.A.R.P. in the Park" | Bob Koherr | Ellen Byron & Lissa Kapstrom | March27,2011 | 206 | 3.7 | 33 | 7 | "Battle of the Bands" | Bob Koherr | Tom Anderson | April3,2011 | 209 | 2.8 | 34 | 8 | "The Singin' Dancin' Duncans" | Bob Koherr | Jim Gerkin | April10,2011 | 205 | 3.5 | 35 | 9 | "Teddy's Bear" | Bob Koherr | Christopher Vane | April15,2011 | 210 | 3.6 | 36 | 10 | "Meet the Parents" | Bob Koherr | Erika Kaestle & Patrick McCarthy | May1,2011 | 211 | 3.2 | 37 | 11 | "Gabe's 12-½ Birthday" | Bob Koherr | Jim Gerkin | May8,2011 | 212 | N/A | 38 | 12 | "The Break Up" | Bob Koherr | Phil Baker & Drew Vaupen | May15,2011 | 213 | N/A | 39 | 13 | "Charlie Shakes It Up" | Joel Zwick | Christopher Vane | June5,2011 | 215 | 4.0 | 40 | 14 | "Baby's New Shoes" | Bob Koherr | Ellen Byron & Lissa Kapstrom | June12,2011 | 207 | 3.1 | 41 | 15 | "Bye Bye Video Diary" | Phill Lewis | Erika Kaestle & Patrick McCarthy | June19,2011 | 216 | 4.1 | 42 | 16 | "Monkey Business" | Bob Koherr | Dan Staley | June26,2011 | 214 | 3.0 | 43 | 17 | "PJ in the City" | Bob Koherr | Phil Baker & Drew Vaupen | July10,2011 | 219 | 3.5 | 44 | 18 | "Sun Show"(Part 1) | Bob Koherr | Christopher Vane | July24,2011 | 221 | 4.9 | 45 | 19 | "Sun Show"(Part 2) | Bob Koherr | Erika Kaestle & Patrick McCarthy | July31,2011 | 222 | 4.1 | 46 | 20 | "Amazing Gracie" | Bob Koherr | Jim Gerkin | August7,2011 | 217 | 3.8 | 47 | 21 | "Termite Queen" | Bob Koherr | Dan Staley | August21,2011 | 220 | 3.4 | 48 | 22 | "The Bob Duncan Experience" | Bob Koherr | Samantha Silver | August28,2011 | 218 | 3.1 | 49 | 23 | "Ditch Day" | Phill Lewis | Christopher Vane | September11,2011 | 225 | 3.2 | 50 | 24 | "Alley Oops" | Tommy Thompson | Jim Gerkin | September25,2011 | 223 | 3.0 | 51 | 25 | "Scary Had a Little Lamb" | Shannon Flynn | Phil Baker & Drew Vaupen | October9,2011 | 224 | 4.5 | 52 | 26 | "Return to Super Adventure Land" | Bob Koherr | Erika Kaestle & Patrick McCarthy | October23,2011 | 227 | 3.3 | 53 | 27 | "Can You Keep a Secret?" | Bob Koherr | Phil Baker & Drew Vaupen | November6,2011 | 230 | 4.6 | 54 | 28 | "Story Time" | Phill Lewis | Aaron Ho | November13,2011 | 226 | 3.1 | 55 | 29 | "It's a Charlie Duncan Thanksgiving" | Bob Koherr | Jim Gerkin | November20,2011 | 228 | 4.1