The most common and most likely answer to this crossword clue is the 4 plus 5 plus 5 letter word SNOG MARRY AVOID
I've seen this crossword clue in The Guardian
S
N
O
G
M
A
R
R
Y
A
V
O
I
D
Buddy explains!

The straight part
We know that "TV feature?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tv feature? = snog marry avoid.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.