Very rarely the act of mating and the subsequent offspring is discussed in a mostly non-sexual manner.
Violence & Gore
Mild
Violent acts are occasionally discussed though rarely, if ever, actually shown.
Suicide, violent cults, mass killings, etc. are sometimes talked about ("Aliens and Evil Places; "Aliens and Deadly Cults").
Profanity
Mild
Interviewers occasionally use very mild profanity ("heck", "hell", "damn", etc.).
Alcohol, Drugs & Smoking
None
None.
Frightening & Intense Scenes
Moderate
Being abducted and probed is definitely intense.
The show will unsettle and frighten anyone who is scared by the concept of intelligent life elsewhere in the cosmos or the Ancient Astronaut hypothesis.
Many of the events that are discussed on the show could be seen as frightening. For example, alien abductions and alleged murders by extraterrestrials are occasionally talked about.