Click here to try it, it's free. Search 16,579 forwards for just the right one. Also takes a while to connect to Microsoft to download MS-Agent. Villains are easily distracted when offered a Jellybaby. Anything that's small on the outside will always be bigger on the inside.
All aliens look exactly like humans.
If you happen to be wearing a long scarf and are toting along a robotic dog, it's perfectly alright, no one will notice. When time traveling, you will always show up in the worst place possible. If you do something stupid, don't worry. Your companions are the ones who will get in trouble, not you. Wearing a shirt with question marks on the collar is normal.