From the final season of The Brady Bunch:
In the episode, "Adios, Johnny Bravo", Greg (Barry Williams) lands a deal with an agent----who is only interested in promoting Greg under the stage name Johnny Bravo. In what amounts to a commentary on the state of pre-fab bubblegum pop, "Adios, Johnny Bravo" illustrates the difficult decision Greg has to make, and how to get peace & harmony back in the Brady household.
Without spoiling anything, let's just say that this number, "Good Time Music", sung by Greg with Marcia (Maureen McCormick), provides a cure-all.
Three points to consider:
1. This was a sort-of precursor, take it however you like, to the abysmal Brady Bunch Variety Hour, which Paramount & Sherwood Schwartz's Redwood Productions, in conjunction with the Kroffts, would foist upon ABC and America four years later.
2. This would be the only time and place where the Brady Kids would truly be together as a group, as on the animated series, half the cast left, replaced by Keith Sutherland (Hal's son) and Lane & Erica Scheimer (Lou's kids), resulting in both Brady series being cancelled at the end of the 1973-4 season.
3. The use of a musical number following the main plot was lifted from another Filmation series, CBS' Fat Albert & The Cosby Kids, as the moral lesson du jour was explained in the lyrics of "Good Time Music".