Tuesday night lineup which, for the past several seasons, had consisted of a comedy block from 8:00 to 9:00 p.m. Eastern Time followed by two hour-long dramas, most notably with the hit series Moonlighting airing at 9:00 p.m. Eastern. Moonlighting, then in its fifth season and starting to experience a considerable decline in its ratings (greatly thanks to the 1988 WGA strike, which delayed the premieres of many programs set to launch or return for the 1988 fall season), was placed on a temporary hiatus by ABC in February 1989 when the network decided to add a second hour of comedy offerings onto its Tuesday schedule. Janicek, in response, came up with the idea to promote the restructured lineup under a unified brand name, Terrific Tuesday, to draw audiences to the changes, to reference the two additional sitcoms that were being offered, and especially as a nod to Who's the Boss? and the freshman smash hit Roseanne, which now served as a strong anchor for the expanded comedy lineup. The Terrific Tuesday branding was a success, and ABC urged Janicek to continue the banner name for the following season. At the time of the network upfronts that unveiled the upcoming fall schedule in May 1989, Janicek, as well as ABC, devised the notion of further promoting their family fun-themed Fridays with a brand name. Over the summer, ABC began promoting the Friday sitcoms under the experimental title, "The Friday Fun Club". While Terrific Tuesday and What-a-Wednesday were both on tap for the 1989–90 fall season, the Friday branding concept was to undergo a revision before September. First run of TGIF (1989–2000) TGIF brand debuts As a result of ABC and Jim Janicek's plan for Friday brand familiarity, definitive changes occurred to the lineup on Friday, September 22, 1989. An opening sequence for the two-hour block was introduced, featuring animated mice against a gray background. The theme music, featuring a male vocalist and a falsetto-tuned backup chorus, sang the lyrics, "Time for fun (thank goodness!)/Time for a good laugh (it's funny!)/Time, time, time, time for fun! (T-T-T-Time!)". The mice held up title cards containing the selected theme lyrics "Thank goodness" and "It's funny!" right in the way of an older mouse.. The sequence concludes with the older mouse breaking a grandfather clock with a mallet, which cut to the hosted interstitial. For the first time, another show's cast assumed hosting duties