Comenius Foundation is a U.S.-based 501(c)(3) nonprofit organization that uses media to promote education and faith.
 Named after pioneering educator and Moravian Bishop John Amos Comenius, the Foundation seeks to use modern media to promote the ideas of Comenius.
 Comenius Foundation has helped fund development of a number of media projects including "Zinzendorf", a four-part documentary miniseries that was aired on the Hallmark Channel; a German version of the program, "Der Graf Ohne Grenzen" ("The Count Without Borders"), distributed by Haenssler Verlag; the 2009 feature film "Wesley" starring Burgess Jenkins, June Lockhart, and Kevin McCarthy; and several informational websites such as www.changingthechannels.org.
 The Foundation also provides internship opportunities for young student filmmakers.
"Let's Stay Together" is the of the fifth season of the American television comedy series "30 Rock", and the 83rd overall episode of the series.
 It was directed by co-executive producer John Riggi and written by co-executive producer Jack Burditt.
 The episode originally aired on the National Broadcasting Company (NBC) network in the United States on October 7, 2010.
 Guest stars in this episode include John Amos, Todd Buonopane, Reg E. Cathey, Queen Latifah and Rob Reiner.
The Fresh Prince of Bel-Air is an American sitcom that originally aired on NBC from September 10, 1990, to May 20, 1996.
 The show stars Will Smith as a fictionalized version of himself, a street-smart teenager from West Philadelphia who is sent to move in with his wealthy aunt and uncle in their Bel Air mansion after getting into a fight on a local basketball court.
 In the series, his lifestyle often clashes with the lifestyle of his relatives in Bel Air.
 The series ran for six seasons and aired 148 episodes.
Jan Amos Comenius Czech: "Putování Jana Amose" , literally "The Wanderings of Jan Amos") is a 1983 Czechoslovak historical film directed by Otakar Vávra.
 It tells story of John Amos Comenius a Czech philosopher, pedagogue and theologian who is considered the father of modern education.
John Amos Comenius (Czech: "Jan Amos Komenský" ; German: "Johann Amos Comenius" ; Latinized: "Ioannes Amos Comenius"; 28 March 1592 – 15 November 1670) was a Czech philosopher, pedagogue and theologian from the Margraviate of Moravia.
 He served as the last bishop of Unity of the Brethren and became a religious refugee and one of the earliest champions of universal education, a concept eventually set forth in his book "Didactica Magna".
 He is considered the father of modern education.
The World's Greatest Athlete is a 1973 American feature film released by Walt Disney Productions.
 It starred John Amos, Roscoe Lee Browne, Tim Conway, Dayle Haddon, and Jan-Michael Vincent.
 It is one of the few wide-release Hollywood sports films to look at the world of track and field, as the "World's Greatest Athlete", Nanu, played by Vincent, tries to make history by winning every event at the NCAA Track & Field Championship.
Coming to America is a 1988 American romantic comedy film directed by John Landis, and based on a story originally created by Eddie Murphy, who also starred in the lead role.
 The film also co-stars Arsenio Hall, James Earl Jones, Shari Headley and John Amos.
 The film was released in the United States on June 29, 1988.
 Eddie Murphy plays Akeem Joffer, the crown prince of the fictional African nation of Zamunda, who comes to the United States in the hopes of finding a woman he can marry.
James Carter Walker, Jr. (born June 25, 1947), known professionally as Jimmie Walker, is an American actor and comedian.
 Walker is best known for portraying James Evans, Jr. (J.J.), the oldest son of Florida and James Evans, Sr. on the CBS television series "Good Times" which originally ran from 1974–1979.
 Walker was nominated for Golden Globe awards "Best Supporting Actor In A Television Series" in 1975 and 1976 for his role.
 While on the show, Walker's character was known for the catchphrase ""Dy-no-mite!""
 which he also used in his mid–1970s TV commercial for a Panasonic line of cassette and 8-track tape players.
 He also starred in "Let's Do It Again" with John Amos, and "The Greatest Thing That Almost Happened" with James Earl Jones.
 Walker continues to tour the country with his stand-up comedy routine.
John Allen Amos Jr. (born December 27, 1939) is an American actor who is best known for his role as James Evans, Sr. on the CBS television series "Good Times" (1974–76).
 Amos' other television work includes roles in "The Mary Tyler Moore Show", the miniseries "Roots", for which he received an Emmy nomination, and a recurring role as Admiral Percy Fitzwallace on "The West Wing".
 Amos also played the father of Will Smith's character's girlfriend, Lisa Wilkes, in "The Fresh Prince of Bel-Air", and he had a recurring role on "In the House" with LL Cool J, as Coach Sam Wilson.
 Amos played the Father of Tommy Strawn (Thomas Mikal Ford) on the long running sitcom, "Martin", as Sgt. Strawn, and another recurring role on "Two and a Half Men" as Chelsea's dad's new lover, Edward Boynton.
 Amos also played Major Grant, the US Special forces officer in "Die Hard 2".
 Amos has also appeared on Broadway and in numerous films in a career that spans four decades.
 He has received nominations for a Primetime Emmy Award and NAACP Image Award.
The Wayans Bros. is an American sitcom that aired from January 11, 1995, to May 20, 1999, on The WB Television Network.
 The series starred real-life brothers Shawn and Marlon Wayans.
 The series also starred John Witherspoon and Anna Maria Horsford (season 2 onward).

Question: What network  aired the sitcom that starred John Amos as the father of Lisa Wilkes?
Answer: NBC