Timothy Leary Phrase, "turn On, __, Drop Out"
This page is the CodyCross answer for the clue below from Space Exploration, Group 920, Puzzle 1 (Hydrogen and Helium).
Question
Timothy Leary Phrase, "turn On, __, Drop Out"
Answer
TUNEIN
Word Meaning:
TUNE IN — (transitive) To select a channel, station, etc., as on television or radio.
Definitions from Wiktionary.