diff --git a/fish_helpers.fish b/fish_helpers.fish
index 5e06ca0..3c0c9ba 100644
--- a/fish_helpers.fish
+++ b/fish_helpers.fish
@@ -1,9 +1,15 @@
 function temptree
+  if contains -- -h $argv; or contains -- --help $argv
+    command temptree $argv; return
+  end
   set -l dir (command temptree $argv); or return
   test -d "$dir" && cd $dir
 end
 
 function rmtree
+  if contains -- -h $argv; or contains -- --help $argv
+    command rmtree $argv; return
+  end
   set -l has_path false
   for arg in $argv
     switch $arg
diff --git a/nushell_helpers.nu b/nushell_helpers.nu
index ef42d88..4b9846e 100644
--- a/nushell_helpers.nu
+++ b/nushell_helpers.nu
@@ -1,4 +1,7 @@
 def --env temptree [...args: string] {
+  if ($args | any {|a| $a == "-h" or $a == "--help"}) {
+    ^temptree ...$args; return
+  }
   let dir = (^temptree ...$args)
   if ($dir | is-not-empty) and ($dir | path type) == "dir" {
     cd $dir
@@ -6,6 +9,9 @@ def --env temptree [...args: string] {
 }
 
 def --env rmtree [...args: string] {
+  if ($args | any {|a| $a == "-h" or $a == "--help"}) {
+    ^rmtree ...$args; return
+  }
   let has_path = ($args | any {|a| $a == "--" or not ($a starts-with "-")})
   let dir = (^rmtree ...$args)
   if not $has_path and ($dir | is-not-empty) and ($dir | path type) == "dir" {
diff --git a/shell_helpers.sh b/shell_helpers.sh
index 069ad25..650ae93 100644
--- a/shell_helpers.sh
+++ b/shell_helpers.sh
@@ -1,11 +1,13 @@
 # shellcheck shell=bash
 temptree() {
+  case "$*" in *-h*|*--help*) command temptree "$@"; return ;; esac
   local dir
   dir="$(command temptree "$@")" || return
   [[ -d "$dir" ]] && builtin cd "$dir"
 }
 
 rmtree() {
+  case "$*" in *-h*|*--help*) command rmtree "$@"; return ;; esac
   local dir has_path=false arg
   for arg in "$@"; do
     case "$arg" in
diff --git a/temptree b/temptree
index 69f363f..6f6c610 100755
--- a/temptree
+++ b/temptree
@@ -26,6 +26,8 @@ die() {
 [[ -z "${TEMPTREE_FOREST_DIR:-}" || "$forest_dir" == /* ]] \
   || die "TEMPTREE_FOREST_DIR must be an absolute path"
 
+case "${1:-}" in -h|--help) usage; exit 0 ;; esac
+
 repo_root="$(git rev-parse --show-toplevel 2>/dev/null)" \
   || die "not inside a git repository"
 main_worktree="$(git worktree list --porcelain | head -1)"