| 2024-11-13 | Catchphrase for Captain Underpants |
| 2022-02-26 | Nonsensical song syllables |
| 2018-11-16 | A chorus line? |
| 2017-05-31 | Refrain from singing? |
| 2016-11-03 | Lilting syllables |
| 2016-09-24 | Skipping sounds |
| 2015-06-03 | Joyful refrain |
| 2014-07-16 | Refrain syllables |
| 2011-03-18 | "I haven't a care in the world" |
| 2010-04-14 | Light refrain |
| 2008-10-23 | Refrain from singing? |
| 2007-11-17 | Syllables to skip by |
| 2007-05-18 | "An American in Paris" song |
| 2006-10-28 | "An American in Paris" song |
| 2003-10-04 | Sounds of gaiety |
| 2002-10-01 | Refrain from singing? |
| 2002-05-13 | Happy-go-lucky syllables |
| 1999-04-10 | Skipping syllables |
| 1997-06-06 | Singsong sounds |
| 1997-02-14 | Gay refrain |
| 1995-10-27 | Vocal filler |