Concentration / Season 1 ▦ Season guide Concentration: Season 1 273 episodes Premiered Aug 25, 1958 Updated Jul 22, 2026 Spoiler-safe Advertisement Episodes S1·E1 Monday August 25, 1958 (Debut Show) Aug 25, 1958 S1·E2 Tuesday August 26, 1958 Aug 26, 1958 S1·E3 Wednesday August 27, 1958 Aug 27, 1958 S1·E4 Thursday August 28, 1958 Aug 28, 1958 S1·E5 Friday August 29, 1958 Aug 29, 1958 S1·E6 Monday September 1, 1958 Sep 1, 1958 S1·E7 Tuesday September 2, 1958 Sep 2, 1958 S1·E8 Wednesday September 3, 1958 Sep 3, 1958 S1·E9 Thursday September 4, 1958 Sep 4, 1958 S1·E10 Friday September 5, 1958 Sep 5, 1958 S1·E11 Monday September 8, 1958 Sep 8, 1958 S1·E12 Tuesday September 9, 1958 Sep 9, 1958 S1·E13 Wednesday September 10, 1958 Sep 10, 1958 S1·E14 Thursday September 11, 1958 Sep 11, 1958 S1·E15 Friday September 12, 1958 Sep 12, 1958 S1·E16 Monday September 15, 1958 Sep 15, 1958 S1·E17 Tuesday September 16, 1958 Sep 16, 1958 S1·E18 Wednesday September 17, 1958 Sep 17, 1958 S1·E19 Thursday September 18, 1958 Sep 18, 1958 S1·E20 Friday September 19, 1958 Sep 19, 1958 S1·E21 Monday September 22, 1958 Sep 22, 1958 S1·E22 Tuesday September 23, 1958 Sep 23, 1958 S1·E23 Wednesday September 24, 1958 Sep 24, 1958 S1·E24 Thursday September 25, 1958 Sep 25, 1958 S1·E25 Friday September 26, 1958 Sep 26, 1958 S1·E26 Monday September 29, 1958 Sep 29, 1958 S1·E27 Tuesday September 30, 1958 Sep 30, 1958 S1·E28 Wednesday October 1, 1958 Oct 1, 1958 S1·E29 Thursday October 2, 1958 Oct 2, 1958 S1·E30 Friday October 3, 1958 Oct 3, 1958 S1·E31 Monday October 6, 1958 Oct 6, 1958 S1·E32 Tuesday October 7, 1958 Oct 7, 1958 S1·E33 Wednesday October 8, 1958 Oct 8, 1958 S1·E34 Thursday October 9, 1958 Oct 9, 1958 S1·E35 Friday October 10, 1958 Oct 10, 1958 S1·E36 Monday October 13, 1958 Oct 13, 1958 S1·E37 Tuesday October 14, 1958 Oct 14, 1958 S1·E38 Wednesday October 15, 1958 Oct 15, 1958 S1·E39 Thursday October 16, 1958 Oct 16, 1958 S1·E40 Friday October 17, 1958 Oct 17, 1958 S1·E41 Monday October 20, 1958 Oct 20, 1958 S1·E42 Tuesday October 21, 1958 Oct 21, 1958 S1·E43 Wednesday October 22, 1958 Oct 22, 1958 S1·E44 Thursday October 23, 1958 Oct 23, 1958 S1·E45 Friday October 24, 1958 Oct 24, 1958 S1·E46 Monday October 27, 1958 Oct 27, 1958 S1·E47 Tuesday October 28, 1958 Oct 28, 1958 S1·E48 Wednesday October 29, 1958 Oct 29, 1958 S1·E49 Thursday October 30, 1958 (Daytime) Oct 30, 1958 S1·E50 October 30, 1958 (Nighttime) Oct 30, 1958 S1·E51 Friday October 31, 1958 Oct 31, 1958 S1·E52 Monday November 3, 1958 Nov 3, 1958 S1·E53 Tuesday November 4, 1958 Nov 4, 1958 S1·E54 Wednesday November 5, 1958 Nov 5, 1958 S1·E55 Thursday November 6, 1958 (Daytime) Nov 6, 1958 S1·E56 November 6, 1958 (Nighttime) Nov 6, 1958 S1·E57 Friday November 7, 1958 Nov 7, 1958 S1·E58 Monday November 10, 1958 Nov 10, 1958 S1·E59 Tuesday November 11, 1958 Nov 11, 1958 S1·E60 Wednesday November 12, 1958 Nov 12, 1958 S1·E61 Thursday November 13, 1958 (Daytime) Nov 13, 1958 S1·E62 November 13, 1958 (Nighttime) Nov 13, 1958 S1·E63 Friday November 14, 1958 Nov 14, 1958 S1·E64 Monday November 17, 1958 Nov 17, 1958 S1·E65 Tuesday November 18, 1958 Nov 18, 1958 S1·E66 Wednesday November 19, 1958 Nov 19, 1958 S1·E67 Thursday November 20, 1958 (Daytime) Nov 20, 1958 S1·E68 November 20, 1958 (Nighttime) Nov 20, 1958 S1·E69 Friday November 21, 1958 Nov 21, 1958 S1·E70 Monday November 24, 1958 Nov 24, 1958 S1·E71 Tuesday November 25, 1958 Nov 25, 1958 S1·E72 Wednesday November 26, 1958 Nov 26, 1958 S1·E73 Thursday November 27, 1958 (Preempted for Macy's Parade) Nov 27, 1958 S1·E74 Friday November 28, 1958 Nov 28, 1958 S1·E75 Monday December 1, 1958 Dec 1, 1958 S1·E76 Tuesday December 2, 1958 Dec 2, 1958 S1·E77 Wednesday December 3, 1958 Dec 3, 1958 S1·E78 Thursday December 4, 1958 Dec 4, 1958 S1·E79 Friday December 5, 1958 Dec 5, 1958 S1·E80 Monday December 8, 1958 Dec 8, 1958 S1·E81 Tuesday December 9, 1958 Dec 9, 1958 S1·E82 Wednesday December 10, 1958 Dec 10, 1958 S1·E83 Thursday December 11, 1958 Dec 11, 1958 S1·E84 Friday December 12, 1958 Dec 12, 1958 S1·E85 Monday December 15, 1958 Dec 15, 1958 S1·E86 Tuesday December 16, 1958 Dec 16, 1958 S1·E87 Wednesday December 17, 1958 Dec 17, 1958 S1·E88 Thursday December 18, 1958 Dec 18, 1958 S1·E89 Friday December 19, 1958 Dec 19, 1958 S1·E90 Monday December 22, 1958 Dec 22, 1958 S1·E91 Tuesday December 23, 1958 Dec 23, 1958 S1·E92 Wednesday December 24, 1958 Dec 24, 1958 S1·E93 Thursday December 25, 1958 Dec 25, 1958 S1·E94 Friday December 26, 1958 Dec 26, 1958 S1·E95 Monday December 29, 1958 Dec 29, 1958 S1·E96 Tuesday December 30, 1958 Dec 30, 1958 S1·E97 Wednesday December 31, 1958 Dec 31, 1958 S1·E98 Thursday January 1, 1959 Jan 1, 1959 S1·E99 Friday January 2, 1959 Jan 2, 1959 S1·E100 Monday January 5, 1959 Jan 5, 1959 S1·E101 Tuesday January 6, 1959 Jan 6, 1959 S1·E102 Wednesday January 7, 1959 Jan 7, 1959 S1·E103 Thursday January 8, 1959 Jan 8, 1959 S1·E104 Friday January 9, 1959 Jan 9, 1959 S1·E105 Monday January 12, 1959 Jan 12, 1959 S1·E106 Tuesday January 13, 1959 Jan 13, 1959 S1·E107 Wednesday January 14, 1958 Jan 14, 1958 S1·E108 Thursday January 15, 1959 Jan 15, 1959 S1·E109 Friday January 16, 1959 Jan 16, 1959 S1·E110 Monday January 19, 1959 Jan 19, 1959 S1·E111 Tuesday January 20, 1959 Jan 20, 1959 S1·E112 Wednesday January 21, 1959 Jan 21, 1959 S1·E113 Thursday January 22, 1959 Jan 22, 1959 S1·E114 Friday January 23, 1959 Jan 23, 1959 S1·E115 Monday January 26, 1959 Jan 26, 1959 S1·E116 Tuesday January 27, 1959 Jan 27, 1959 S1·E117 Wednesday January 28, 1959 Jan 28, 1959 S1·E118 Thursday January 29, 1959 Jan 29, 1959 S1·E119 Friday January 30, 1959 Jan 30, 1959 S1·E120 Monday February 2, 1959 Feb 2, 1959 S1·E121 Tuesday February 3, 1959 Feb 3, 1959 S1·E122 Wednesday February 4, 1959 Feb 4, 1959 S1·E123 Thursday February 5, 1959 Feb 5, 1959 S1·E124 Friday February 6, 1959 Feb 6, 1959 S1·E125 Monday February 9, 1959 Feb 9, 1959 S1·E126 Tuesday February 10, 1959 Feb 10, 1959 S1·E127 Wednesday February 11, 1959 Feb 11, 1959 S1·E128 Thursday February 12, 1959 Feb 12, 1959 S1·E129 Friday February 13, 1959 Feb 13, 1959 S1·E130 Monday February 16, 1959 Feb 16, 1959 S1·E131 Tuesday February 17, 1959 Feb 17, 1959 S1·E132 Wednesday February 18, 1959 Feb 18, 1959 S1·E133 Thursday February 19, 1959 Feb 19, 1959 S1·E134 Friday February 20, 1959 Feb 20, 1959 S1·E135 Monday February 23, 1959 Feb 23, 1959 S1·E136 Tuesday February 24, 1959 Feb 24, 1959 S1·E137 Wednesday February 25, 1959 Feb 25, 1959 S1·E138 Thursday February 26, 1959 Feb 26, 1959 S1·E139 Friday February 27, 1959 Feb 27, 1959 S1·E140 Monday March 2, 1959 Mar 2, 1959 S1·E141 Tuesday March 3, 1959 Mar 3, 1959 S1·E142 Wednesday March 4, 1959 Mar 4, 1959 S1·E143 Thursday March 5, 1959 Mar 5, 1959 S1·E144 Friday March 6, 1959 Mar 6, 1959 S1·E145 Monday March 9, 1959 Mar 9, 1959 S1·E146 Tuesday March 10, 1959 Mar 10, 1959 S1·E147 Wednesday March 11, 1959 Mar 11, 1959 S1·E148 Thursday March 12, 1959 Mar 12, 1959 S1·E149 Friday March 13, 1959 Mar 13, 1959 S1·E150 Monday March 16, 1959 Mar 16, 1959 S1·E151 Tuesday March 17, 1959 Mar 17, 1959 S1·E152 Wednesday March 18, 1959 Mar 18, 1959 S1·E153 Thursday March 19, 1959 Mar 19, 1959 S1·E154 Friday March 20, 1959 Mar 20, 1959 S1·E155 Monday March 23, 1959 Mar 23, 1959 S1·E156 Tuesday March 24, 1959 Mar 24, 1959 S1·E157 Wednesday March 25, 1959 Mar 25, 1959 S1·E158 Thursday March 26, 1959 Mar 26, 1959 S1·E159 Friday March 27, 1959 Mar 27, 1959 S1·E160 Monday March 30, 1959 Mar 30, 1959 S1·E161 Tuesday March 31, 1959 Mar 31, 1959 S1·E162 Wednesday April 1, 1959 Apr 1, 1959 S1·E163 Thursday April 2, 1959 Apr 2, 1959 S1·E164 Friday April 3, 1959 Apr 3, 1959 S1·E165 Monday April 6, 1959 Apr 6, 1959 S1·E166 Tuesday April 7, 1959 Apr 7, 1959 S1·E167 Wednesday April 8, 1959 Apr 8, 1959 S1·E168 Thursday April 9, 1959 Apr 9, 1959 S1·E169 Friday April 10, 1959 Apr 10, 1959 S1·E170 Monday April 13, 1959 Apr 13, 1959 S1·E171 Tuesday April 14, 1959 Apr 14, 1959 S1·E172 Wednesday April 15, 1959 Apr 15, 1959 S1·E173 Thursday April 16, 1959 Apr 16, 1959 S1·E174 Friday April 17, 1959 Apr 17, 1959 S1·E175 Monday April 20, 1959 Apr 20, 1959 S1·E176 Tuesday April 21, 1959 Apr 21, 1959 S1·E177 Wednesday April 22, 1959 Apr 22, 1959 S1·E178 Thursday April 23, 1959 Apr 23, 1959 S1·E179 Friday April 24, 1959 Apr 24, 1959 S1·E180 Monday April 27, 1959 Apr 27, 1959 S1·E181 Tuesday April 28, 1959 Apr 28, 1959 S1·E182 Wednesday April 29, 1959 Apr 29, 1959 S1·E183 Thursday April 30, 1959 Apr 30, 1959 S1·E184 Friday May 1, 1959 May 1, 1959 S1·E185 Monday May 4, 1959 May 4, 1959 S1·E186 Tuesday May 5, 1959 May 5, 1959 S1·E187 Wednesday May 6, 1959 May 6, 1959 S1·E188 Thursday May 7, 1959 May 7, 1959 S1·E189 Friday May 8, 1959 May 8, 1959 S1·E190 Monday May 11, 1959 May 11, 1959 S1·E191 Tuesday May 12, 1959 May 12, 1959 S1·E192 Wednesday May 13, 1959 May 13, 1959 S1·E193 Thursday May 14, 1959 May 14, 1959 S1·E194 Friday May 15, 1959 May 15, 1959 S1·E195 Monday May 18, 1959 May 18, 1959 S1·E196 Tuesday May 19, 1959 May 19, 1959 S1·E197 Wednesday May 20, 1959 May 20, 1959 S1·E198 Thursday May 21, 1959 May 21, 1959 S1·E199 Friday May 22, 1959 May 22, 1959 S1·E200 Monday May 25, 1959 May 25, 1959 S1·E201 Tuesday May 26, 1959 May 26, 1959 S1·E202 Wednesday May 27, 1959 May 27, 1959 S1·E203 Thursday May 28, 1959 May 28, 1959 S1·E204 Friday May 29, 1959 May 29, 1959 S1·E205 Monday June 1, 1959 Jun 1, 1959 S1·E206 Tuesday June 2, 1959 Jun 2, 1959 S1·E207 Wednesday June 3, 1959 Jun 3, 1959 S1·E208 Thursday June 4, 1959 Jun 4, 1959 S1·E209 Friday June 5, 1959 Jun 5, 1959 S1·E210 Monday June 8, 1959 Jun 8, 1959 S1·E211 Tuesday June 9, 1959 Jun 9, 1959 S1·E212 Wednesday June 10, 1959 Jun 10, 1959 S1·E213 Thursday June 11, 1959 Jun 11, 1959 S1·E214 Friday June 12, 1959 Jun 12, 1959 S1·E215 Monday June 15, 1959 Jun 15, 1959 S1·E216 Tuesday June 16, 1959 Jun 16, 1959 S1·E217 Wednesday June 17, 1959 Jun 17, 1959 S1·E218 Thursday June 18, 1959 Jun 18, 1959 S1·E219 Friday June 19, 1959 Jun 19, 1959 S1·E220 Monday June 22, 1959 Jun 22, 1959 S1·E221 Tuesday June 23, 1959 Jun 23, 1959 S1·E222 Wednesday June 24, 1959 Jun 24, 1959 S1·E223 Thursday June 25, 1959 Jun 25, 1959 S1·E224 Friday June 26, 1959 Jun 26, 1959 S1·E225 Monday June 29, 1959 Jun 29, 1959 S1·E226 Tuesday June 30, 1959 Jun 30, 1959 S1·E227 Wednesday July 1, 1959 Jul 1, 1959 S1·E228 Thursday July 2, 1959 Jul 2, 1959 S1·E229 Friday July 3, 1959 Jul 3, 1959 S1·E230 Monday July 6, 1959 Jul 6, 1959 S1·E231 Tuesday July 7, 1959 Jul 7, 1959 S1·E232 Wednesday July 8, 1959 Jul 8, 1959 S1·E233 Thursday July 9, 1959 Jul 9, 1959 S1·E234 Friday July 10, 1959 Jul 10, 1959 S1·E235 Monday July 13, 1959 Jul 13, 1959 S1·E236 Tuesday July 14, 1959 Jul 14, 1959 S1·E237 Wednesday July 15, 1959 Jul 15, 1959 S1·E238 Thursday July 16, 1959 Jul 16, 1959 S1·E239 Friday July 17, 1959 Jul 17, 1959 S1·E240 Monday July 20, 1959 Jul 20, 1959 S1·E241 Tuesday July 21, 1959 Jul 21, 1959 S1·E242 Wednesday July 22, 1959 Jul 22, 1959 S1·E243 Thursday July 23, 1959 Jul 23, 1959 S1·E244 Friday July 24, 1959 Jul 24, 1959 S1·E245 Monday July 27, 1959 Jul 27, 1959 S1·E246 Tuesday July 28, 1959 Jul 28, 1959 S1·E247 Wednesday July 29, 1959 Jul 29, 1959 S1·E248 Thursday July 30, 1959 Jul 30, 1959 S1·E249 Friday July 31, 1959 Jul 31, 1959 S1·E250 Monday August 3, 1959 Aug 3, 1959 S1·E251 Tuesday August 4, 1959 Aug 4, 1959 S1·E252 Wednesday August 5, 1959 Aug 5, 1959 S1·E253 Thursday August 6, 1959 Aug 6, 1959 S1·E254 Friday August 7, 1959 Aug 7, 1959 S1·E255 Monday August 10, 1959 Aug 10, 1959 S1·E256 Tuesday August 11, 1959 Aug 11, 1959 S1·E257 Wednesday August 12, 1959 Aug 12, 1959 S1·E258 Thursday August 13, 1959 Aug 13, 1959 S1·E259 Friday August 14, 1959 Aug 14, 1959 S1·E260 Monday August 17, 1959 Aug 17, 1959 S1·E261 Tuesday August 18, 1959 Aug 18, 1959 S1·E262 Wednesday August 19, 1959 Aug 19, 1959 S1·E263 Thursday August 20, 1959 Aug 20, 1959 S1·E264 Friday August 21, 1959 Aug 21, 1959 S1·E265 Monday August 24, 1959 (1st Anniversary Weekday) Aug 24, 1959 S1·E266 Tuesday August 25, 1959 (Happy 1st Anniversary) Aug 25, 1959 S1·E267 Wednesday August 26, 1959 Aug 26, 1959 S1·E268 Thursday August 27, 1959 Aug 27, 1959 S1·E269 Friday August 28, 1959 Aug 28, 1959 S1·E270 Monday August 31, 1959 Aug 31, 1959 S1·E271 Tuesday September 1, 1959 Sep 1, 1959 S1·E272 Wednesday September 2, 1959 Sep 2, 1959 S1·E273 Wednesday September 2, 1959 Sep 2, 1959