Crossword puzzle clue "when repeated twice and so on"

Theme answer count, amount of letters in each, word hidden in each, and, when repeated twice, today's date

When repeated twice, "and so on"

Twice less than twice

Abbr. sometimes repeated twice in a row

When repeated twice, a 1964 pop hit

Word repeated twice in a Roger Ebert title about bad movies

When repeated twice, one of the Teletubbies (the cutest in my humble opinion)

Word repeated twice before "Look who's forty!"